David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * QLogic iSCSI HBA Driver |
Vikas Chaudhary | 4a4f51e | 2013-08-16 07:03:04 -0400 | [diff] [blame] | 3 | * Copyright (c) 2003-2013 QLogic Corporation |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4 | * |
| 5 | * See LICENSE.qla4xxx for copyright and licensing details. |
| 6 | */ |
| 7 | #include <linux/moduleparam.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 8 | #include <linux/slab.h> |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 9 | #include <linux/blkdev.h> |
| 10 | #include <linux/iscsi_boot_sysfs.h> |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 11 | #include <linux/inet.h> |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 12 | |
| 13 | #include <scsi/scsi_tcq.h> |
| 14 | #include <scsi/scsicam.h> |
| 15 | |
| 16 | #include "ql4_def.h" |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 17 | #include "ql4_version.h" |
| 18 | #include "ql4_glbl.h" |
| 19 | #include "ql4_dbg.h" |
| 20 | #include "ql4_inline.h" |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 21 | #include "ql4_83xx.h" |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 22 | |
| 23 | /* |
| 24 | * Driver version |
| 25 | */ |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 26 | static char qla4xxx_version_str[40]; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 27 | |
| 28 | /* |
| 29 | * SRB allocation cache |
| 30 | */ |
Christoph Lameter | e18b890 | 2006-12-06 20:33:20 -0800 | [diff] [blame] | 31 | static struct kmem_cache *srb_cachep; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 32 | |
| 33 | /* |
| 34 | * Module parameter information and variables |
| 35 | */ |
Vikas Chaudhary | a7380a6 | 2012-02-27 03:08:56 -0800 | [diff] [blame] | 36 | static int ql4xdisablesysfsboot = 1; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 37 | module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); |
| 38 | MODULE_PARM_DESC(ql4xdisablesysfsboot, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 39 | " Set to disable exporting boot targets to sysfs.\n" |
| 40 | "\t\t 0 - Export boot targets\n" |
| 41 | "\t\t 1 - Do not export boot targets (Default)"); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 42 | |
Vikas Chaudhary | 3573bfb | 2012-02-27 03:08:57 -0800 | [diff] [blame] | 43 | int ql4xdontresethba; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 44 | module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 45 | MODULE_PARM_DESC(ql4xdontresethba, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 46 | " Don't reset the HBA for driver recovery.\n" |
| 47 | "\t\t 0 - It will reset HBA (Default)\n" |
| 48 | "\t\t 1 - It will NOT reset HBA"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 49 | |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 50 | int ql4xextended_error_logging; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 51 | module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 52 | MODULE_PARM_DESC(ql4xextended_error_logging, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 53 | " Option to enable extended error logging.\n" |
| 54 | "\t\t 0 - no logging (Default)\n" |
| 55 | "\t\t 2 - debug logging"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 56 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 57 | int ql4xenablemsix = 1; |
| 58 | module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); |
| 59 | MODULE_PARM_DESC(ql4xenablemsix, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 60 | " Set to enable MSI or MSI-X interrupt mechanism.\n" |
| 61 | "\t\t 0 = enable INTx interrupt mechanism.\n" |
| 62 | "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" |
| 63 | "\t\t 2 = enable MSI interrupt mechanism."); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 64 | |
Mike Christie | d510d96 | 2008-07-11 19:50:33 -0500 | [diff] [blame] | 65 | #define QL4_DEF_QDEPTH 32 |
Vikas Chaudhary | 8bb4033 | 2011-03-21 03:34:31 -0700 | [diff] [blame] | 66 | static int ql4xmaxqdepth = QL4_DEF_QDEPTH; |
| 67 | module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); |
| 68 | MODULE_PARM_DESC(ql4xmaxqdepth, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 69 | " Maximum queue depth to report for target devices.\n" |
| 70 | "\t\t Default: 32."); |
Mike Christie | d510d96 | 2008-07-11 19:50:33 -0500 | [diff] [blame] | 71 | |
Tej Parkash | f7b4aa6 | 2012-04-30 04:12:19 -0700 | [diff] [blame] | 72 | static int ql4xqfulltracking = 1; |
| 73 | module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); |
| 74 | MODULE_PARM_DESC(ql4xqfulltracking, |
| 75 | " Enable or disable dynamic tracking and adjustment of\n" |
| 76 | "\t\t scsi device queue depth.\n" |
| 77 | "\t\t 0 - Disable.\n" |
| 78 | "\t\t 1 - Enable. (Default)"); |
| 79 | |
Vikas Chaudhary | 3038727 | 2011-03-21 03:34:32 -0700 | [diff] [blame] | 80 | static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; |
| 81 | module_param(ql4xsess_recovery_tmo, int, S_IRUGO); |
| 82 | MODULE_PARM_DESC(ql4xsess_recovery_tmo, |
Vikas Chaudhary | 3573bfb | 2012-02-27 03:08:57 -0800 | [diff] [blame] | 83 | " Target Session Recovery Timeout.\n" |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 84 | "\t\t Default: 120 sec."); |
Vikas Chaudhary | 3038727 | 2011-03-21 03:34:32 -0700 | [diff] [blame] | 85 | |
Tej Parkash | a511b4a | 2014-02-24 22:06:57 -0500 | [diff] [blame] | 86 | int ql4xmdcapmask = 0; |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 87 | module_param(ql4xmdcapmask, int, S_IRUGO); |
| 88 | MODULE_PARM_DESC(ql4xmdcapmask, |
| 89 | " Set the Minidump driver capture mask level.\n" |
Tej Parkash | a511b4a | 2014-02-24 22:06:57 -0500 | [diff] [blame] | 90 | "\t\t Default is 0 (firmware default capture mask)\n" |
Tej Parkash | b410982 | 2014-02-24 22:06:58 -0500 | [diff] [blame] | 91 | "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF"); |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 92 | |
| 93 | int ql4xenablemd = 1; |
| 94 | module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); |
| 95 | MODULE_PARM_DESC(ql4xenablemd, |
| 96 | " Set to enable minidump.\n" |
| 97 | "\t\t 0 - disable minidump\n" |
| 98 | "\t\t 1 - enable minidump (Default)"); |
| 99 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 100 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 101 | /* |
| 102 | * SCSI host template entry points |
| 103 | */ |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 104 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 105 | |
| 106 | /* |
| 107 | * iSCSI template entry points |
| 108 | */ |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 109 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
| 110 | enum iscsi_param param, char *buf); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 111 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, |
| 112 | enum iscsi_param param, char *buf); |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 113 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
| 114 | enum iscsi_host_param param, char *buf); |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 115 | static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, |
| 116 | uint32_t len); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 117 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
| 118 | enum iscsi_param_type param_type, |
| 119 | int param, char *buf); |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 120 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 121 | static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, |
| 122 | struct sockaddr *dst_addr, |
| 123 | int non_blocking); |
| 124 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); |
| 125 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); |
| 126 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, |
| 127 | enum iscsi_param param, char *buf); |
| 128 | static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); |
| 129 | static struct iscsi_cls_conn * |
| 130 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); |
| 131 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, |
| 132 | struct iscsi_cls_conn *cls_conn, |
| 133 | uint64_t transport_fd, int is_leading); |
| 134 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); |
| 135 | static struct iscsi_cls_session * |
| 136 | qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, |
| 137 | uint16_t qdepth, uint32_t initial_cmdsn); |
| 138 | static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); |
| 139 | static void qla4xxx_task_work(struct work_struct *wdata); |
| 140 | static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); |
| 141 | static int qla4xxx_task_xmit(struct iscsi_task *); |
| 142 | static void qla4xxx_task_cleanup(struct iscsi_task *); |
| 143 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); |
| 144 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, |
| 145 | struct iscsi_stats *stats); |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 146 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
| 147 | uint32_t iface_type, uint32_t payload_size, |
| 148 | uint32_t pid, struct sockaddr *dst_addr); |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 149 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
| 150 | uint32_t *num_entries, char *buf); |
| 151 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); |
Adheer Chandravanshi | 26ffd7b | 2013-09-17 07:54:49 -0400 | [diff] [blame] | 152 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, |
| 153 | int len); |
Lalit Chandivade | 4161cee | 2013-11-22 05:28:19 -0500 | [diff] [blame] | 154 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 155 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 156 | /* |
| 157 | * SCSI host template entry points |
| 158 | */ |
Jeff Garzik | f281233 | 2010-11-16 02:10:29 -0500 | [diff] [blame] | 159 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 160 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 161 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 162 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 163 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
| 164 | static int qla4xxx_slave_alloc(struct scsi_device *device); |
Vikas Chaudhary | 5e9bcec | 2012-08-22 07:55:01 -0400 | [diff] [blame] | 165 | static umode_t qla4_attr_is_visible(int param_type, int param); |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 166 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 167 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 168 | /* |
| 169 | * iSCSI Flash DDB sysfs entry points |
| 170 | */ |
| 171 | static int |
| 172 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, |
| 173 | struct iscsi_bus_flash_conn *fnode_conn, |
| 174 | void *data, int len); |
| 175 | static int |
| 176 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, |
| 177 | int param, char *buf); |
| 178 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
| 179 | int len); |
| 180 | static int |
| 181 | qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); |
| 182 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, |
| 183 | struct iscsi_bus_flash_conn *fnode_conn); |
| 184 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, |
| 185 | struct iscsi_bus_flash_conn *fnode_conn); |
| 186 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); |
| 187 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 188 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
| 189 | QLA82XX_LEGACY_INTR_CONFIG; |
| 190 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 191 | static struct scsi_host_template qla4xxx_driver_template = { |
| 192 | .module = THIS_MODULE, |
| 193 | .name = DRIVER_NAME, |
| 194 | .proc_name = DRIVER_NAME, |
| 195 | .queuecommand = qla4xxx_queuecommand, |
| 196 | |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 197 | .eh_abort_handler = qla4xxx_eh_abort, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 198 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 199 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 200 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 201 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 202 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 203 | .slave_alloc = qla4xxx_slave_alloc, |
Christoph Hellwig | db5ed4d | 2014-11-13 15:08:42 +0100 | [diff] [blame] | 204 | .change_queue_depth = scsi_change_queue_depth, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 205 | |
| 206 | .this_id = -1, |
| 207 | .cmd_per_lun = 3, |
| 208 | .use_clustering = ENABLE_CLUSTERING, |
| 209 | .sg_tablesize = SG_ALL, |
| 210 | |
| 211 | .max_sectors = 0xFFFF, |
Harish Zunjarrao | 7ad633c | 2011-05-17 23:17:11 -0700 | [diff] [blame] | 212 | .shost_attrs = qla4xxx_host_attrs, |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 213 | .host_reset = qla4xxx_host_reset, |
Vikas Chaudhary | a355943 | 2011-07-25 13:48:51 -0500 | [diff] [blame] | 214 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 215 | }; |
| 216 | |
| 217 | static struct iscsi_transport qla4xxx_iscsi_transport = { |
| 218 | .owner = THIS_MODULE, |
| 219 | .name = DRIVER_NAME, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 220 | .caps = CAP_TEXT_NEGO | |
| 221 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | |
| 222 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | |
| 223 | CAP_MULTI_R2T, |
Vikas Chaudhary | 5e9bcec | 2012-08-22 07:55:01 -0400 | [diff] [blame] | 224 | .attr_is_visible = qla4_attr_is_visible, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 225 | .create_session = qla4xxx_session_create, |
| 226 | .destroy_session = qla4xxx_session_destroy, |
| 227 | .start_conn = qla4xxx_conn_start, |
| 228 | .create_conn = qla4xxx_conn_create, |
| 229 | .bind_conn = qla4xxx_conn_bind, |
| 230 | .stop_conn = iscsi_conn_stop, |
| 231 | .destroy_conn = qla4xxx_conn_destroy, |
| 232 | .set_param = iscsi_set_param, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 233 | .get_conn_param = qla4xxx_conn_get_param, |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 234 | .get_session_param = qla4xxx_session_get_param, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 235 | .get_ep_param = qla4xxx_get_ep_param, |
| 236 | .ep_connect = qla4xxx_ep_connect, |
| 237 | .ep_poll = qla4xxx_ep_poll, |
| 238 | .ep_disconnect = qla4xxx_ep_disconnect, |
| 239 | .get_stats = qla4xxx_conn_get_stats, |
| 240 | .send_pdu = iscsi_conn_send_pdu, |
| 241 | .xmit_task = qla4xxx_task_xmit, |
| 242 | .cleanup_task = qla4xxx_task_cleanup, |
| 243 | .alloc_pdu = qla4xxx_alloc_pdu, |
| 244 | |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 245 | .get_host_param = qla4xxx_host_get_param, |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 246 | .set_iface_param = qla4xxx_iface_set_param, |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 247 | .get_iface_param = qla4xxx_get_iface_param, |
Vikas Chaudhary | a355943 | 2011-07-25 13:48:51 -0500 | [diff] [blame] | 248 | .bsg_request = qla4xxx_bsg_request, |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 249 | .send_ping = qla4xxx_send_ping, |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 250 | .get_chap = qla4xxx_get_chap_list, |
| 251 | .delete_chap = qla4xxx_delete_chap, |
Adheer Chandravanshi | 26ffd7b | 2013-09-17 07:54:49 -0400 | [diff] [blame] | 252 | .set_chap = qla4xxx_set_chap_entry, |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 253 | .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, |
| 254 | .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, |
| 255 | .new_flashnode = qla4xxx_sysfs_ddb_add, |
| 256 | .del_flashnode = qla4xxx_sysfs_ddb_delete, |
| 257 | .login_flashnode = qla4xxx_sysfs_ddb_login, |
| 258 | .logout_flashnode = qla4xxx_sysfs_ddb_logout, |
| 259 | .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, |
Lalit Chandivade | 4161cee | 2013-11-22 05:28:19 -0500 | [diff] [blame] | 260 | .get_host_stats = qla4xxx_get_host_stats, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 261 | }; |
| 262 | |
| 263 | static struct scsi_transport_template *qla4xxx_scsi_transport; |
| 264 | |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 265 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
| 266 | uint32_t iface_type, uint32_t payload_size, |
| 267 | uint32_t pid, struct sockaddr *dst_addr) |
| 268 | { |
| 269 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 270 | struct sockaddr_in *addr; |
| 271 | struct sockaddr_in6 *addr6; |
| 272 | uint32_t options = 0; |
| 273 | uint8_t ipaddr[IPv6_ADDR_LEN]; |
| 274 | int rval; |
| 275 | |
| 276 | memset(ipaddr, 0, IPv6_ADDR_LEN); |
| 277 | /* IPv4 to IPv4 */ |
| 278 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && |
| 279 | (dst_addr->sa_family == AF_INET)) { |
| 280 | addr = (struct sockaddr_in *)dst_addr; |
| 281 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); |
| 282 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " |
| 283 | "dest: %pI4\n", __func__, |
| 284 | &ha->ip_config.ip_address, ipaddr)); |
| 285 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, |
| 286 | ipaddr); |
| 287 | if (rval) |
| 288 | rval = -EINVAL; |
| 289 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && |
| 290 | (dst_addr->sa_family == AF_INET6)) { |
| 291 | /* IPv6 to IPv6 */ |
| 292 | addr6 = (struct sockaddr_in6 *)dst_addr; |
| 293 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); |
| 294 | |
| 295 | options |= PING_IPV6_PROTOCOL_ENABLE; |
| 296 | |
| 297 | /* Ping using LinkLocal address */ |
| 298 | if ((iface_num == 0) || (iface_num == 1)) { |
| 299 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " |
| 300 | "src: %pI6 dest: %pI6\n", __func__, |
| 301 | &ha->ip_config.ipv6_link_local_addr, |
| 302 | ipaddr)); |
| 303 | options |= PING_IPV6_LINKLOCAL_ADDR; |
| 304 | rval = qla4xxx_ping_iocb(ha, options, payload_size, |
| 305 | pid, ipaddr); |
| 306 | } else { |
| 307 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " |
| 308 | "not supported\n", __func__, iface_num); |
| 309 | rval = -ENOSYS; |
| 310 | goto exit_send_ping; |
| 311 | } |
| 312 | |
| 313 | /* |
| 314 | * If ping using LinkLocal address fails, try ping using |
| 315 | * IPv6 address |
| 316 | */ |
| 317 | if (rval != QLA_SUCCESS) { |
| 318 | options &= ~PING_IPV6_LINKLOCAL_ADDR; |
| 319 | if (iface_num == 0) { |
| 320 | options |= PING_IPV6_ADDR0; |
| 321 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " |
| 322 | "Ping src: %pI6 " |
| 323 | "dest: %pI6\n", __func__, |
| 324 | &ha->ip_config.ipv6_addr0, |
| 325 | ipaddr)); |
| 326 | } else if (iface_num == 1) { |
| 327 | options |= PING_IPV6_ADDR1; |
| 328 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " |
| 329 | "Ping src: %pI6 " |
| 330 | "dest: %pI6\n", __func__, |
| 331 | &ha->ip_config.ipv6_addr1, |
| 332 | ipaddr)); |
| 333 | } |
| 334 | rval = qla4xxx_ping_iocb(ha, options, payload_size, |
| 335 | pid, ipaddr); |
| 336 | if (rval) |
| 337 | rval = -EINVAL; |
| 338 | } |
| 339 | } else |
| 340 | rval = -ENOSYS; |
| 341 | exit_send_ping: |
| 342 | return rval; |
| 343 | } |
| 344 | |
Vikas Chaudhary | 5e9bcec | 2012-08-22 07:55:01 -0400 | [diff] [blame] | 345 | static umode_t qla4_attr_is_visible(int param_type, int param) |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 346 | { |
| 347 | switch (param_type) { |
Mike Christie | f27fb2e | 2011-07-25 13:48:45 -0500 | [diff] [blame] | 348 | case ISCSI_HOST_PARAM: |
| 349 | switch (param) { |
| 350 | case ISCSI_HOST_PARAM_HWADDRESS: |
| 351 | case ISCSI_HOST_PARAM_IPADDRESS: |
| 352 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 353 | case ISCSI_HOST_PARAM_PORT_STATE: |
| 354 | case ISCSI_HOST_PARAM_PORT_SPEED: |
Mike Christie | f27fb2e | 2011-07-25 13:48:45 -0500 | [diff] [blame] | 355 | return S_IRUGO; |
| 356 | default: |
| 357 | return 0; |
| 358 | } |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 359 | case ISCSI_PARAM: |
| 360 | switch (param) { |
Mike Christie | 590134f | 2011-10-17 22:42:13 -0500 | [diff] [blame] | 361 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
| 362 | case ISCSI_PARAM_PERSISTENT_PORT: |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 363 | case ISCSI_PARAM_CONN_ADDRESS: |
| 364 | case ISCSI_PARAM_CONN_PORT: |
Mike Christie | 1d063c1 | 2011-07-25 13:48:43 -0500 | [diff] [blame] | 365 | case ISCSI_PARAM_TARGET_NAME: |
| 366 | case ISCSI_PARAM_TPGT: |
| 367 | case ISCSI_PARAM_TARGET_ALIAS: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 368 | case ISCSI_PARAM_MAX_BURST: |
| 369 | case ISCSI_PARAM_MAX_R2T: |
| 370 | case ISCSI_PARAM_FIRST_BURST: |
| 371 | case ISCSI_PARAM_MAX_RECV_DLENGTH: |
| 372 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: |
Mike Christie | de37920 | 2011-08-14 20:42:56 -0500 | [diff] [blame] | 373 | case ISCSI_PARAM_IFACE_NAME: |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 374 | case ISCSI_PARAM_CHAP_OUT_IDX: |
| 375 | case ISCSI_PARAM_CHAP_IN_IDX: |
| 376 | case ISCSI_PARAM_USERNAME: |
| 377 | case ISCSI_PARAM_PASSWORD: |
| 378 | case ISCSI_PARAM_USERNAME_IN: |
| 379 | case ISCSI_PARAM_PASSWORD_IN: |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 380 | case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: |
| 381 | case ISCSI_PARAM_DISCOVERY_SESS: |
| 382 | case ISCSI_PARAM_PORTAL_TYPE: |
| 383 | case ISCSI_PARAM_CHAP_AUTH_EN: |
| 384 | case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: |
| 385 | case ISCSI_PARAM_BIDI_CHAP_EN: |
| 386 | case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: |
| 387 | case ISCSI_PARAM_DEF_TIME2WAIT: |
| 388 | case ISCSI_PARAM_DEF_TIME2RETAIN: |
| 389 | case ISCSI_PARAM_HDRDGST_EN: |
| 390 | case ISCSI_PARAM_DATADGST_EN: |
| 391 | case ISCSI_PARAM_INITIAL_R2T_EN: |
| 392 | case ISCSI_PARAM_IMM_DATA_EN: |
| 393 | case ISCSI_PARAM_PDU_INORDER_EN: |
| 394 | case ISCSI_PARAM_DATASEQ_INORDER_EN: |
| 395 | case ISCSI_PARAM_MAX_SEGMENT_SIZE: |
| 396 | case ISCSI_PARAM_TCP_TIMESTAMP_STAT: |
| 397 | case ISCSI_PARAM_TCP_WSF_DISABLE: |
| 398 | case ISCSI_PARAM_TCP_NAGLE_DISABLE: |
| 399 | case ISCSI_PARAM_TCP_TIMER_SCALE: |
| 400 | case ISCSI_PARAM_TCP_TIMESTAMP_EN: |
| 401 | case ISCSI_PARAM_TCP_XMIT_WSF: |
| 402 | case ISCSI_PARAM_TCP_RECV_WSF: |
| 403 | case ISCSI_PARAM_IP_FRAGMENT_DISABLE: |
| 404 | case ISCSI_PARAM_IPV4_TOS: |
| 405 | case ISCSI_PARAM_IPV6_TC: |
| 406 | case ISCSI_PARAM_IPV6_FLOW_LABEL: |
| 407 | case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: |
| 408 | case ISCSI_PARAM_KEEPALIVE_TMO: |
| 409 | case ISCSI_PARAM_LOCAL_PORT: |
| 410 | case ISCSI_PARAM_ISID: |
| 411 | case ISCSI_PARAM_TSID: |
| 412 | case ISCSI_PARAM_DEF_TASKMGMT_TMO: |
| 413 | case ISCSI_PARAM_ERL: |
| 414 | case ISCSI_PARAM_STATSN: |
| 415 | case ISCSI_PARAM_EXP_STATSN: |
| 416 | case ISCSI_PARAM_DISCOVERY_PARENT_IDX: |
| 417 | case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: |
Adheer Chandravanshi | fb734ee3 | 2013-11-22 05:28:22 -0500 | [diff] [blame] | 418 | case ISCSI_PARAM_LOCAL_IPADDR: |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 419 | return S_IRUGO; |
| 420 | default: |
| 421 | return 0; |
| 422 | } |
Mike Christie | b78dbba | 2011-07-25 13:48:44 -0500 | [diff] [blame] | 423 | case ISCSI_NET_PARAM: |
| 424 | switch (param) { |
| 425 | case ISCSI_NET_PARAM_IPV4_ADDR: |
| 426 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
| 427 | case ISCSI_NET_PARAM_IPV4_GW: |
| 428 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
| 429 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
| 430 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
| 431 | case ISCSI_NET_PARAM_IPV6_ADDR: |
| 432 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
| 433 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
| 434 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 435 | case ISCSI_NET_PARAM_VLAN_ID: |
| 436 | case ISCSI_NET_PARAM_VLAN_PRIORITY: |
| 437 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
Vikas Chaudhary | 943c157 | 2011-08-01 03:26:13 -0700 | [diff] [blame] | 438 | case ISCSI_NET_PARAM_MTU: |
Vikas Chaudhary | 2ada7fc | 2011-08-01 03:26:19 -0700 | [diff] [blame] | 439 | case ISCSI_NET_PARAM_PORT: |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 440 | case ISCSI_NET_PARAM_IPADDR_STATE: |
| 441 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: |
| 442 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: |
| 443 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
| 444 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
| 445 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
| 446 | case ISCSI_NET_PARAM_TCP_WSF: |
| 447 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
| 448 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
| 449 | case ISCSI_NET_PARAM_CACHE_ID: |
| 450 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: |
| 451 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: |
| 452 | case ISCSI_NET_PARAM_IPV4_TOS_EN: |
| 453 | case ISCSI_NET_PARAM_IPV4_TOS: |
| 454 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: |
| 455 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: |
| 456 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: |
| 457 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: |
| 458 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: |
| 459 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: |
| 460 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: |
| 461 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: |
| 462 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: |
| 463 | case ISCSI_NET_PARAM_REDIRECT_EN: |
| 464 | case ISCSI_NET_PARAM_IPV4_TTL: |
| 465 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: |
| 466 | case ISCSI_NET_PARAM_IPV6_MLD_EN: |
| 467 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: |
| 468 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: |
| 469 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: |
| 470 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: |
| 471 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: |
| 472 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: |
| 473 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: |
| 474 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: |
| 475 | return S_IRUGO; |
| 476 | default: |
| 477 | return 0; |
| 478 | } |
| 479 | case ISCSI_IFACE_PARAM: |
| 480 | switch (param) { |
| 481 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: |
| 482 | case ISCSI_IFACE_PARAM_HDRDGST_EN: |
| 483 | case ISCSI_IFACE_PARAM_DATADGST_EN: |
| 484 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: |
| 485 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: |
| 486 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: |
| 487 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: |
| 488 | case ISCSI_IFACE_PARAM_ERL: |
| 489 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: |
| 490 | case ISCSI_IFACE_PARAM_FIRST_BURST: |
| 491 | case ISCSI_IFACE_PARAM_MAX_R2T: |
| 492 | case ISCSI_IFACE_PARAM_MAX_BURST: |
| 493 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: |
| 494 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: |
| 495 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: |
| 496 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: |
| 497 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: |
| 498 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: |
Mike Christie | b78dbba | 2011-07-25 13:48:44 -0500 | [diff] [blame] | 499 | return S_IRUGO; |
| 500 | default: |
| 501 | return 0; |
| 502 | } |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 503 | case ISCSI_FLASHNODE_PARAM: |
| 504 | switch (param) { |
| 505 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
| 506 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
| 507 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
| 508 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
| 509 | case ISCSI_FLASHNODE_ENTRY_EN: |
| 510 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
| 511 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
| 512 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
| 513 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
| 514 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
| 515 | case ISCSI_FLASHNODE_PDU_INORDER: |
| 516 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
| 517 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
| 518 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
| 519 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
| 520 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
| 521 | case ISCSI_FLASHNODE_ERL: |
| 522 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
| 523 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
| 524 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
| 525 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
| 526 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
| 527 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
| 528 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
| 529 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
| 530 | case ISCSI_FLASHNODE_FIRST_BURST: |
| 531 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
| 532 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
| 533 | case ISCSI_FLASHNODE_MAX_R2T: |
| 534 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
| 535 | case ISCSI_FLASHNODE_ISID: |
| 536 | case ISCSI_FLASHNODE_TSID: |
| 537 | case ISCSI_FLASHNODE_PORT: |
| 538 | case ISCSI_FLASHNODE_MAX_BURST: |
| 539 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
| 540 | case ISCSI_FLASHNODE_IPADDR: |
| 541 | case ISCSI_FLASHNODE_ALIAS: |
| 542 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
| 543 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
| 544 | case ISCSI_FLASHNODE_LOCAL_PORT: |
| 545 | case ISCSI_FLASHNODE_IPV4_TOS: |
| 546 | case ISCSI_FLASHNODE_IPV6_TC: |
| 547 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
| 548 | case ISCSI_FLASHNODE_NAME: |
| 549 | case ISCSI_FLASHNODE_TPGT: |
| 550 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
| 551 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
| 552 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: |
| 553 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
| 554 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
| 555 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
| 556 | case ISCSI_FLASHNODE_USERNAME: |
| 557 | case ISCSI_FLASHNODE_PASSWORD: |
| 558 | case ISCSI_FLASHNODE_STATSN: |
| 559 | case ISCSI_FLASHNODE_EXP_STATSN: |
| 560 | case ISCSI_FLASHNODE_IS_BOOT_TGT: |
| 561 | return S_IRUGO; |
| 562 | default: |
| 563 | return 0; |
| 564 | } |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 565 | } |
| 566 | |
| 567 | return 0; |
| 568 | } |
| 569 | |
Adheer Chandravanshi | ea507a2 | 2013-11-22 05:28:23 -0500 | [diff] [blame] | 570 | /** |
| 571 | * qla4xxx_create chap_list - Create CHAP list from FLASH |
| 572 | * @ha: pointer to adapter structure |
| 573 | * |
| 574 | * Read flash and make a list of CHAP entries, during login when a CHAP entry |
| 575 | * is received, it will be checked in this list. If entry exist then the CHAP |
| 576 | * entry index is set in the DDB. If CHAP entry does not exist in this list |
| 577 | * then a new entry is added in FLASH in CHAP table and the index obtained is |
| 578 | * used in the DDB. |
| 579 | **/ |
| 580 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) |
| 581 | { |
| 582 | int rval = 0; |
| 583 | uint8_t *chap_flash_data = NULL; |
| 584 | uint32_t offset; |
| 585 | dma_addr_t chap_dma; |
| 586 | uint32_t chap_size = 0; |
| 587 | |
| 588 | if (is_qla40XX(ha)) |
| 589 | chap_size = MAX_CHAP_ENTRIES_40XX * |
| 590 | sizeof(struct ql4_chap_table); |
| 591 | else /* Single region contains CHAP info for both |
| 592 | * ports which is divided into half for each port. |
| 593 | */ |
| 594 | chap_size = ha->hw.flt_chap_size / 2; |
| 595 | |
| 596 | chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, |
| 597 | &chap_dma, GFP_KERNEL); |
| 598 | if (!chap_flash_data) { |
| 599 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); |
| 600 | return; |
| 601 | } |
| 602 | |
| 603 | if (is_qla40XX(ha)) { |
| 604 | offset = FLASH_CHAP_OFFSET; |
| 605 | } else { |
| 606 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); |
| 607 | if (ha->port_num == 1) |
| 608 | offset += chap_size; |
| 609 | } |
| 610 | |
| 611 | rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); |
| 612 | if (rval != QLA_SUCCESS) |
| 613 | goto exit_chap_list; |
| 614 | |
| 615 | if (ha->chap_list == NULL) |
| 616 | ha->chap_list = vmalloc(chap_size); |
| 617 | if (ha->chap_list == NULL) { |
| 618 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); |
| 619 | goto exit_chap_list; |
| 620 | } |
| 621 | |
| 622 | memset(ha->chap_list, 0, chap_size); |
| 623 | memcpy(ha->chap_list, chap_flash_data, chap_size); |
| 624 | |
| 625 | exit_chap_list: |
| 626 | dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); |
| 627 | } |
| 628 | |
Adheer Chandravanshi | 26ffd7b | 2013-09-17 07:54:49 -0400 | [diff] [blame] | 629 | static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, |
| 630 | int16_t chap_index, |
| 631 | struct ql4_chap_table **chap_entry) |
| 632 | { |
| 633 | int rval = QLA_ERROR; |
| 634 | int max_chap_entries; |
| 635 | |
| 636 | if (!ha->chap_list) { |
| 637 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); |
| 638 | rval = QLA_ERROR; |
| 639 | goto exit_get_chap; |
| 640 | } |
| 641 | |
| 642 | if (is_qla80XX(ha)) |
| 643 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 644 | sizeof(struct ql4_chap_table); |
| 645 | else |
| 646 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 647 | |
| 648 | if (chap_index > max_chap_entries) { |
| 649 | ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); |
| 650 | rval = QLA_ERROR; |
| 651 | goto exit_get_chap; |
| 652 | } |
| 653 | |
| 654 | *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; |
| 655 | if ((*chap_entry)->cookie != |
| 656 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { |
| 657 | rval = QLA_ERROR; |
| 658 | *chap_entry = NULL; |
| 659 | } else { |
| 660 | rval = QLA_SUCCESS; |
| 661 | } |
| 662 | |
| 663 | exit_get_chap: |
| 664 | return rval; |
| 665 | } |
| 666 | |
| 667 | /** |
| 668 | * qla4xxx_find_free_chap_index - Find the first free chap index |
| 669 | * @ha: pointer to adapter structure |
| 670 | * @chap_index: CHAP index to be returned |
| 671 | * |
| 672 | * Find the first free chap index available in the chap table |
| 673 | * |
| 674 | * Note: Caller should acquire the chap lock before getting here. |
| 675 | **/ |
| 676 | static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, |
| 677 | uint16_t *chap_index) |
| 678 | { |
| 679 | int i, rval; |
| 680 | int free_index = -1; |
| 681 | int max_chap_entries = 0; |
| 682 | struct ql4_chap_table *chap_table; |
| 683 | |
| 684 | if (is_qla80XX(ha)) |
| 685 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 686 | sizeof(struct ql4_chap_table); |
| 687 | else |
| 688 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 689 | |
| 690 | if (!ha->chap_list) { |
| 691 | ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); |
| 692 | rval = QLA_ERROR; |
| 693 | goto exit_find_chap; |
| 694 | } |
| 695 | |
| 696 | for (i = 0; i < max_chap_entries; i++) { |
| 697 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
| 698 | |
| 699 | if ((chap_table->cookie != |
| 700 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && |
| 701 | (i > MAX_RESRV_CHAP_IDX)) { |
| 702 | free_index = i; |
| 703 | break; |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | if (free_index != -1) { |
| 708 | *chap_index = free_index; |
| 709 | rval = QLA_SUCCESS; |
| 710 | } else { |
| 711 | rval = QLA_ERROR; |
| 712 | } |
| 713 | |
| 714 | exit_find_chap: |
| 715 | return rval; |
| 716 | } |
| 717 | |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 718 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
| 719 | uint32_t *num_entries, char *buf) |
| 720 | { |
| 721 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 722 | struct ql4_chap_table *chap_table; |
| 723 | struct iscsi_chap_rec *chap_rec; |
| 724 | int max_chap_entries = 0; |
| 725 | int valid_chap_entries = 0; |
| 726 | int ret = 0, i; |
| 727 | |
Vikas Chaudhary | d11b0ca | 2013-03-22 07:08:31 -0400 | [diff] [blame] | 728 | if (is_qla80XX(ha)) |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 729 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 730 | sizeof(struct ql4_chap_table); |
| 731 | else |
| 732 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 733 | |
| 734 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", |
| 735 | __func__, *num_entries, chap_tbl_idx); |
| 736 | |
| 737 | if (!buf) { |
| 738 | ret = -ENOMEM; |
| 739 | goto exit_get_chap_list; |
| 740 | } |
| 741 | |
Adheer Chandravanshi | ea507a2 | 2013-11-22 05:28:23 -0500 | [diff] [blame] | 742 | qla4xxx_create_chap_list(ha); |
| 743 | |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 744 | chap_rec = (struct iscsi_chap_rec *) buf; |
| 745 | mutex_lock(&ha->chap_sem); |
| 746 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { |
| 747 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
| 748 | if (chap_table->cookie != |
| 749 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) |
| 750 | continue; |
| 751 | |
| 752 | chap_rec->chap_tbl_idx = i; |
Rickard Strandqvist | bdbb966 | 2014-07-26 16:49:32 +0200 | [diff] [blame] | 753 | strlcpy(chap_rec->username, chap_table->name, |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 754 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); |
Rickard Strandqvist | bdbb966 | 2014-07-26 16:49:32 +0200 | [diff] [blame] | 755 | strlcpy(chap_rec->password, chap_table->secret, |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 756 | QL4_CHAP_MAX_SECRET_LEN); |
| 757 | chap_rec->password_length = chap_table->secret_len; |
| 758 | |
| 759 | if (chap_table->flags & BIT_7) /* local */ |
| 760 | chap_rec->chap_type = CHAP_TYPE_OUT; |
| 761 | |
| 762 | if (chap_table->flags & BIT_6) /* peer */ |
| 763 | chap_rec->chap_type = CHAP_TYPE_IN; |
| 764 | |
| 765 | chap_rec++; |
| 766 | |
| 767 | valid_chap_entries++; |
| 768 | if (valid_chap_entries == *num_entries) |
| 769 | break; |
| 770 | else |
| 771 | continue; |
| 772 | } |
| 773 | mutex_unlock(&ha->chap_sem); |
| 774 | |
| 775 | exit_get_chap_list: |
| 776 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", |
| 777 | __func__, valid_chap_entries); |
| 778 | *num_entries = valid_chap_entries; |
| 779 | return ret; |
| 780 | } |
| 781 | |
| 782 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) |
| 783 | { |
| 784 | int ret = 0; |
| 785 | uint16_t *chap_tbl_idx = (uint16_t *) data; |
| 786 | struct iscsi_cls_session *cls_session; |
| 787 | struct iscsi_session *sess; |
| 788 | struct ddb_entry *ddb_entry; |
| 789 | |
| 790 | if (!iscsi_is_session_dev(dev)) |
| 791 | goto exit_is_chap_active; |
| 792 | |
| 793 | cls_session = iscsi_dev_to_session(dev); |
| 794 | sess = cls_session->dd_data; |
| 795 | ddb_entry = sess->dd_data; |
| 796 | |
| 797 | if (iscsi_session_chkready(cls_session)) |
| 798 | goto exit_is_chap_active; |
| 799 | |
| 800 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) |
| 801 | ret = 1; |
| 802 | |
| 803 | exit_is_chap_active: |
| 804 | return ret; |
| 805 | } |
| 806 | |
| 807 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, |
| 808 | uint16_t chap_tbl_idx) |
| 809 | { |
| 810 | int ret = 0; |
| 811 | |
| 812 | ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, |
| 813 | __qla4xxx_is_chap_active); |
| 814 | |
| 815 | return ret; |
| 816 | } |
| 817 | |
| 818 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) |
| 819 | { |
| 820 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 821 | struct ql4_chap_table *chap_table; |
| 822 | dma_addr_t chap_dma; |
| 823 | int max_chap_entries = 0; |
| 824 | uint32_t offset = 0; |
| 825 | uint32_t chap_size; |
| 826 | int ret = 0; |
| 827 | |
| 828 | chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); |
| 829 | if (chap_table == NULL) |
| 830 | return -ENOMEM; |
| 831 | |
| 832 | memset(chap_table, 0, sizeof(struct ql4_chap_table)); |
| 833 | |
Vikas Chaudhary | d11b0ca | 2013-03-22 07:08:31 -0400 | [diff] [blame] | 834 | if (is_qla80XX(ha)) |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 835 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 836 | sizeof(struct ql4_chap_table); |
| 837 | else |
| 838 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 839 | |
| 840 | if (chap_tbl_idx > max_chap_entries) { |
| 841 | ret = -EINVAL; |
| 842 | goto exit_delete_chap; |
| 843 | } |
| 844 | |
| 845 | /* Check if chap index is in use. |
| 846 | * If chap is in use don't delet chap entry */ |
| 847 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); |
| 848 | if (ret) { |
| 849 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " |
| 850 | "delete from flash\n", chap_tbl_idx); |
| 851 | ret = -EBUSY; |
| 852 | goto exit_delete_chap; |
| 853 | } |
| 854 | |
| 855 | chap_size = sizeof(struct ql4_chap_table); |
| 856 | if (is_qla40XX(ha)) |
| 857 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); |
| 858 | else { |
| 859 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); |
| 860 | /* flt_chap_size is CHAP table size for both ports |
| 861 | * so divide it by 2 to calculate the offset for second port |
| 862 | */ |
| 863 | if (ha->port_num == 1) |
| 864 | offset += (ha->hw.flt_chap_size / 2); |
| 865 | offset += (chap_tbl_idx * chap_size); |
| 866 | } |
| 867 | |
| 868 | ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); |
| 869 | if (ret != QLA_SUCCESS) { |
| 870 | ret = -EINVAL; |
| 871 | goto exit_delete_chap; |
| 872 | } |
| 873 | |
| 874 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", |
| 875 | __le16_to_cpu(chap_table->cookie))); |
| 876 | |
| 877 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { |
| 878 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); |
| 879 | goto exit_delete_chap; |
| 880 | } |
| 881 | |
| 882 | chap_table->cookie = __constant_cpu_to_le16(0xFFFF); |
| 883 | |
| 884 | offset = FLASH_CHAP_OFFSET | |
| 885 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); |
| 886 | ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, |
| 887 | FLASH_OPT_RMW_COMMIT); |
| 888 | if (ret == QLA_SUCCESS && ha->chap_list) { |
| 889 | mutex_lock(&ha->chap_sem); |
| 890 | /* Update ha chap_list cache */ |
| 891 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, |
| 892 | chap_table, sizeof(struct ql4_chap_table)); |
| 893 | mutex_unlock(&ha->chap_sem); |
| 894 | } |
| 895 | if (ret != QLA_SUCCESS) |
| 896 | ret = -EINVAL; |
| 897 | |
| 898 | exit_delete_chap: |
| 899 | dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); |
| 900 | return ret; |
| 901 | } |
| 902 | |
Adheer Chandravanshi | 26ffd7b | 2013-09-17 07:54:49 -0400 | [diff] [blame] | 903 | /** |
| 904 | * qla4xxx_set_chap_entry - Make chap entry with given information |
| 905 | * @shost: pointer to host |
| 906 | * @data: chap info - credentials, index and type to make chap entry |
| 907 | * @len: length of data |
| 908 | * |
| 909 | * Add or update chap entry with the given information |
| 910 | **/ |
| 911 | static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) |
| 912 | { |
| 913 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 914 | struct iscsi_chap_rec chap_rec; |
| 915 | struct ql4_chap_table *chap_entry = NULL; |
| 916 | struct iscsi_param_info *param_info; |
| 917 | struct nlattr *attr; |
| 918 | int max_chap_entries = 0; |
| 919 | int type; |
| 920 | int rem = len; |
| 921 | int rc = 0; |
Dan Carpenter | 3c60cfd | 2013-11-13 10:48:11 +0300 | [diff] [blame] | 922 | int size; |
Adheer Chandravanshi | 26ffd7b | 2013-09-17 07:54:49 -0400 | [diff] [blame] | 923 | |
| 924 | memset(&chap_rec, 0, sizeof(chap_rec)); |
| 925 | |
| 926 | nla_for_each_attr(attr, data, len, rem) { |
| 927 | param_info = nla_data(attr); |
| 928 | |
| 929 | switch (param_info->param) { |
| 930 | case ISCSI_CHAP_PARAM_INDEX: |
| 931 | chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; |
| 932 | break; |
| 933 | case ISCSI_CHAP_PARAM_CHAP_TYPE: |
| 934 | chap_rec.chap_type = param_info->value[0]; |
| 935 | break; |
| 936 | case ISCSI_CHAP_PARAM_USERNAME: |
Dan Carpenter | 3c60cfd | 2013-11-13 10:48:11 +0300 | [diff] [blame] | 937 | size = min_t(size_t, sizeof(chap_rec.username), |
| 938 | param_info->len); |
| 939 | memcpy(chap_rec.username, param_info->value, size); |
Adheer Chandravanshi | 26ffd7b | 2013-09-17 07:54:49 -0400 | [diff] [blame] | 940 | break; |
| 941 | case ISCSI_CHAP_PARAM_PASSWORD: |
Dan Carpenter | 3c60cfd | 2013-11-13 10:48:11 +0300 | [diff] [blame] | 942 | size = min_t(size_t, sizeof(chap_rec.password), |
| 943 | param_info->len); |
| 944 | memcpy(chap_rec.password, param_info->value, size); |
Adheer Chandravanshi | 26ffd7b | 2013-09-17 07:54:49 -0400 | [diff] [blame] | 945 | break; |
| 946 | case ISCSI_CHAP_PARAM_PASSWORD_LEN: |
| 947 | chap_rec.password_length = param_info->value[0]; |
| 948 | break; |
| 949 | default: |
| 950 | ql4_printk(KERN_ERR, ha, |
| 951 | "%s: No such sysfs attribute\n", __func__); |
| 952 | rc = -ENOSYS; |
| 953 | goto exit_set_chap; |
| 954 | }; |
| 955 | } |
| 956 | |
| 957 | if (chap_rec.chap_type == CHAP_TYPE_IN) |
| 958 | type = BIDI_CHAP; |
| 959 | else |
| 960 | type = LOCAL_CHAP; |
| 961 | |
| 962 | if (is_qla80XX(ha)) |
| 963 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 964 | sizeof(struct ql4_chap_table); |
| 965 | else |
| 966 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 967 | |
| 968 | mutex_lock(&ha->chap_sem); |
| 969 | if (chap_rec.chap_tbl_idx < max_chap_entries) { |
| 970 | rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, |
| 971 | &chap_entry); |
| 972 | if (!rc) { |
| 973 | if (!(type == qla4xxx_get_chap_type(chap_entry))) { |
| 974 | ql4_printk(KERN_INFO, ha, |
| 975 | "Type mismatch for CHAP entry %d\n", |
| 976 | chap_rec.chap_tbl_idx); |
| 977 | rc = -EINVAL; |
| 978 | goto exit_unlock_chap; |
| 979 | } |
| 980 | |
| 981 | /* If chap index is in use then don't modify it */ |
| 982 | rc = qla4xxx_is_chap_active(shost, |
| 983 | chap_rec.chap_tbl_idx); |
| 984 | if (rc) { |
| 985 | ql4_printk(KERN_INFO, ha, |
| 986 | "CHAP entry %d is in use\n", |
| 987 | chap_rec.chap_tbl_idx); |
| 988 | rc = -EBUSY; |
| 989 | goto exit_unlock_chap; |
| 990 | } |
| 991 | } |
| 992 | } else { |
| 993 | rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); |
| 994 | if (rc) { |
| 995 | ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); |
| 996 | rc = -EBUSY; |
| 997 | goto exit_unlock_chap; |
| 998 | } |
| 999 | } |
| 1000 | |
| 1001 | rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, |
| 1002 | chap_rec.chap_tbl_idx, type); |
| 1003 | |
| 1004 | exit_unlock_chap: |
| 1005 | mutex_unlock(&ha->chap_sem); |
| 1006 | |
| 1007 | exit_set_chap: |
| 1008 | return rc; |
| 1009 | } |
| 1010 | |
Lalit Chandivade | 4161cee | 2013-11-22 05:28:19 -0500 | [diff] [blame] | 1011 | |
| 1012 | static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) |
| 1013 | { |
| 1014 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 1015 | struct iscsi_offload_host_stats *host_stats = NULL; |
| 1016 | int host_stats_size; |
| 1017 | int ret = 0; |
| 1018 | int ddb_idx = 0; |
| 1019 | struct ql_iscsi_stats *ql_iscsi_stats = NULL; |
| 1020 | int stats_size; |
| 1021 | dma_addr_t iscsi_stats_dma; |
| 1022 | |
| 1023 | DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); |
| 1024 | |
| 1025 | host_stats_size = sizeof(struct iscsi_offload_host_stats); |
| 1026 | |
| 1027 | if (host_stats_size != len) { |
| 1028 | ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", |
| 1029 | __func__, len, host_stats_size); |
| 1030 | ret = -EINVAL; |
| 1031 | goto exit_host_stats; |
| 1032 | } |
| 1033 | host_stats = (struct iscsi_offload_host_stats *)buf; |
| 1034 | |
| 1035 | if (!buf) { |
| 1036 | ret = -ENOMEM; |
| 1037 | goto exit_host_stats; |
| 1038 | } |
| 1039 | |
| 1040 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); |
| 1041 | |
| 1042 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, |
| 1043 | &iscsi_stats_dma, GFP_KERNEL); |
| 1044 | if (!ql_iscsi_stats) { |
| 1045 | ql4_printk(KERN_ERR, ha, |
| 1046 | "Unable to allocate memory for iscsi stats\n"); |
Mike Christie | 7f3976f | 2014-07-12 15:51:49 -0500 | [diff] [blame] | 1047 | ret = -ENOMEM; |
Lalit Chandivade | 4161cee | 2013-11-22 05:28:19 -0500 | [diff] [blame] | 1048 | goto exit_host_stats; |
| 1049 | } |
| 1050 | |
| 1051 | ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, |
| 1052 | iscsi_stats_dma); |
| 1053 | if (ret != QLA_SUCCESS) { |
| 1054 | ql4_printk(KERN_ERR, ha, |
| 1055 | "Unable to retrieve iscsi stats\n"); |
Mike Christie | 7f3976f | 2014-07-12 15:51:49 -0500 | [diff] [blame] | 1056 | ret = -EIO; |
Lalit Chandivade | 4161cee | 2013-11-22 05:28:19 -0500 | [diff] [blame] | 1057 | goto exit_host_stats; |
| 1058 | } |
| 1059 | host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); |
| 1060 | host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); |
| 1061 | host_stats->mactx_multicast_frames = |
| 1062 | le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); |
| 1063 | host_stats->mactx_broadcast_frames = |
| 1064 | le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); |
| 1065 | host_stats->mactx_pause_frames = |
| 1066 | le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); |
| 1067 | host_stats->mactx_control_frames = |
| 1068 | le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); |
| 1069 | host_stats->mactx_deferral = |
| 1070 | le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); |
| 1071 | host_stats->mactx_excess_deferral = |
| 1072 | le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); |
| 1073 | host_stats->mactx_late_collision = |
| 1074 | le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); |
| 1075 | host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); |
| 1076 | host_stats->mactx_single_collision = |
| 1077 | le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); |
| 1078 | host_stats->mactx_multiple_collision = |
| 1079 | le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); |
| 1080 | host_stats->mactx_collision = |
| 1081 | le64_to_cpu(ql_iscsi_stats->mac_tx_collision); |
| 1082 | host_stats->mactx_frames_dropped = |
| 1083 | le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); |
| 1084 | host_stats->mactx_jumbo_frames = |
| 1085 | le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); |
| 1086 | host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); |
| 1087 | host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); |
| 1088 | host_stats->macrx_unknown_control_frames = |
| 1089 | le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); |
| 1090 | host_stats->macrx_pause_frames = |
| 1091 | le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); |
| 1092 | host_stats->macrx_control_frames = |
| 1093 | le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); |
| 1094 | host_stats->macrx_dribble = |
| 1095 | le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); |
| 1096 | host_stats->macrx_frame_length_error = |
| 1097 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); |
| 1098 | host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); |
| 1099 | host_stats->macrx_carrier_sense_error = |
| 1100 | le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); |
| 1101 | host_stats->macrx_frame_discarded = |
| 1102 | le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); |
| 1103 | host_stats->macrx_frames_dropped = |
| 1104 | le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); |
| 1105 | host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); |
| 1106 | host_stats->mac_encoding_error = |
| 1107 | le64_to_cpu(ql_iscsi_stats->mac_encoding_error); |
| 1108 | host_stats->macrx_length_error_large = |
| 1109 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); |
| 1110 | host_stats->macrx_length_error_small = |
| 1111 | le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); |
| 1112 | host_stats->macrx_multicast_frames = |
| 1113 | le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); |
| 1114 | host_stats->macrx_broadcast_frames = |
| 1115 | le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); |
| 1116 | host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); |
| 1117 | host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); |
| 1118 | host_stats->iptx_fragments = |
| 1119 | le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); |
| 1120 | host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); |
| 1121 | host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); |
| 1122 | host_stats->iprx_fragments = |
| 1123 | le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); |
| 1124 | host_stats->ip_datagram_reassembly = |
| 1125 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); |
| 1126 | host_stats->ip_invalid_address_error = |
| 1127 | le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); |
| 1128 | host_stats->ip_error_packets = |
| 1129 | le64_to_cpu(ql_iscsi_stats->ip_error_packets); |
| 1130 | host_stats->ip_fragrx_overlap = |
| 1131 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); |
| 1132 | host_stats->ip_fragrx_outoforder = |
| 1133 | le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); |
| 1134 | host_stats->ip_datagram_reassembly_timeout = |
| 1135 | le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); |
| 1136 | host_stats->ipv6tx_packets = |
| 1137 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); |
| 1138 | host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); |
| 1139 | host_stats->ipv6tx_fragments = |
| 1140 | le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); |
| 1141 | host_stats->ipv6rx_packets = |
| 1142 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); |
| 1143 | host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); |
| 1144 | host_stats->ipv6rx_fragments = |
| 1145 | le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); |
| 1146 | host_stats->ipv6_datagram_reassembly = |
| 1147 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); |
| 1148 | host_stats->ipv6_invalid_address_error = |
| 1149 | le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); |
| 1150 | host_stats->ipv6_error_packets = |
| 1151 | le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); |
| 1152 | host_stats->ipv6_fragrx_overlap = |
| 1153 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); |
| 1154 | host_stats->ipv6_fragrx_outoforder = |
| 1155 | le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); |
| 1156 | host_stats->ipv6_datagram_reassembly_timeout = |
| 1157 | le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); |
| 1158 | host_stats->tcptx_segments = |
| 1159 | le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); |
| 1160 | host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); |
| 1161 | host_stats->tcprx_segments = |
| 1162 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); |
| 1163 | host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); |
| 1164 | host_stats->tcp_duplicate_ack_retx = |
| 1165 | le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); |
| 1166 | host_stats->tcp_retx_timer_expired = |
| 1167 | le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); |
| 1168 | host_stats->tcprx_duplicate_ack = |
| 1169 | le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); |
| 1170 | host_stats->tcprx_pure_ackr = |
| 1171 | le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); |
| 1172 | host_stats->tcptx_delayed_ack = |
| 1173 | le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); |
| 1174 | host_stats->tcptx_pure_ack = |
| 1175 | le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); |
| 1176 | host_stats->tcprx_segment_error = |
| 1177 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); |
| 1178 | host_stats->tcprx_segment_outoforder = |
| 1179 | le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); |
| 1180 | host_stats->tcprx_window_probe = |
| 1181 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); |
| 1182 | host_stats->tcprx_window_update = |
| 1183 | le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); |
| 1184 | host_stats->tcptx_window_probe_persist = |
| 1185 | le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); |
| 1186 | host_stats->ecc_error_correction = |
| 1187 | le64_to_cpu(ql_iscsi_stats->ecc_error_correction); |
| 1188 | host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); |
| 1189 | host_stats->iscsi_data_bytes_tx = |
| 1190 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); |
| 1191 | host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); |
| 1192 | host_stats->iscsi_data_bytes_rx = |
| 1193 | le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); |
| 1194 | host_stats->iscsi_io_completed = |
| 1195 | le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); |
| 1196 | host_stats->iscsi_unexpected_io_rx = |
| 1197 | le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); |
| 1198 | host_stats->iscsi_format_error = |
| 1199 | le64_to_cpu(ql_iscsi_stats->iscsi_format_error); |
| 1200 | host_stats->iscsi_hdr_digest_error = |
| 1201 | le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); |
| 1202 | host_stats->iscsi_data_digest_error = |
| 1203 | le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); |
| 1204 | host_stats->iscsi_sequence_error = |
| 1205 | le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); |
| 1206 | exit_host_stats: |
| 1207 | if (ql_iscsi_stats) |
| 1208 | dma_free_coherent(&ha->pdev->dev, host_stats_size, |
| 1209 | ql_iscsi_stats, iscsi_stats_dma); |
| 1210 | |
| 1211 | ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", |
| 1212 | __func__); |
| 1213 | return ret; |
| 1214 | } |
| 1215 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1216 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
| 1217 | enum iscsi_param_type param_type, |
| 1218 | int param, char *buf) |
| 1219 | { |
| 1220 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); |
| 1221 | struct scsi_qla_host *ha = to_qla_host(shost); |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1222 | int ival; |
| 1223 | char *pval = NULL; |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1224 | int len = -ENOSYS; |
| 1225 | |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1226 | if (param_type == ISCSI_NET_PARAM) { |
| 1227 | switch (param) { |
| 1228 | case ISCSI_NET_PARAM_IPV4_ADDR: |
| 1229 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
| 1230 | break; |
| 1231 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
| 1232 | len = sprintf(buf, "%pI4\n", |
| 1233 | &ha->ip_config.subnet_mask); |
| 1234 | break; |
| 1235 | case ISCSI_NET_PARAM_IPV4_GW: |
| 1236 | len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); |
| 1237 | break; |
| 1238 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
| 1239 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1240 | OP_STATE(ha->ip_config.ipv4_options, |
| 1241 | IPOPT_IPV4_PROTOCOL_ENABLE, pval); |
| 1242 | } else { |
| 1243 | OP_STATE(ha->ip_config.ipv6_options, |
| 1244 | IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); |
| 1245 | } |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1246 | |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1247 | len = sprintf(buf, "%s\n", pval); |
| 1248 | break; |
| 1249 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1250 | len = sprintf(buf, "%s\n", |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1251 | (ha->ip_config.tcp_options & |
| 1252 | TCPOPT_DHCP_ENABLE) ? |
| 1253 | "dhcp" : "static"); |
| 1254 | break; |
| 1255 | case ISCSI_NET_PARAM_IPV6_ADDR: |
| 1256 | if (iface->iface_num == 0) |
| 1257 | len = sprintf(buf, "%pI6\n", |
| 1258 | &ha->ip_config.ipv6_addr0); |
| 1259 | if (iface->iface_num == 1) |
| 1260 | len = sprintf(buf, "%pI6\n", |
| 1261 | &ha->ip_config.ipv6_addr1); |
| 1262 | break; |
| 1263 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
| 1264 | len = sprintf(buf, "%pI6\n", |
| 1265 | &ha->ip_config.ipv6_link_local_addr); |
| 1266 | break; |
| 1267 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
| 1268 | len = sprintf(buf, "%pI6\n", |
| 1269 | &ha->ip_config.ipv6_default_router_addr); |
| 1270 | break; |
| 1271 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
| 1272 | pval = (ha->ip_config.ipv6_addl_options & |
| 1273 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? |
| 1274 | "nd" : "static"; |
| 1275 | |
| 1276 | len = sprintf(buf, "%s\n", pval); |
| 1277 | break; |
| 1278 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
| 1279 | pval = (ha->ip_config.ipv6_addl_options & |
| 1280 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? |
| 1281 | "auto" : "static"; |
| 1282 | |
| 1283 | len = sprintf(buf, "%s\n", pval); |
| 1284 | break; |
| 1285 | case ISCSI_NET_PARAM_VLAN_ID: |
| 1286 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 1287 | ival = ha->ip_config.ipv4_vlan_tag & |
| 1288 | ISCSI_MAX_VLAN_ID; |
| 1289 | else |
| 1290 | ival = ha->ip_config.ipv6_vlan_tag & |
| 1291 | ISCSI_MAX_VLAN_ID; |
| 1292 | |
| 1293 | len = sprintf(buf, "%d\n", ival); |
| 1294 | break; |
| 1295 | case ISCSI_NET_PARAM_VLAN_PRIORITY: |
| 1296 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 1297 | ival = (ha->ip_config.ipv4_vlan_tag >> 13) & |
| 1298 | ISCSI_MAX_VLAN_PRIORITY; |
| 1299 | else |
| 1300 | ival = (ha->ip_config.ipv6_vlan_tag >> 13) & |
| 1301 | ISCSI_MAX_VLAN_PRIORITY; |
| 1302 | |
| 1303 | len = sprintf(buf, "%d\n", ival); |
| 1304 | break; |
| 1305 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
| 1306 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1307 | OP_STATE(ha->ip_config.ipv4_options, |
| 1308 | IPOPT_VLAN_TAGGING_ENABLE, pval); |
| 1309 | } else { |
| 1310 | OP_STATE(ha->ip_config.ipv6_options, |
| 1311 | IPV6_OPT_VLAN_TAGGING_ENABLE, pval); |
| 1312 | } |
| 1313 | len = sprintf(buf, "%s\n", pval); |
| 1314 | break; |
| 1315 | case ISCSI_NET_PARAM_MTU: |
| 1316 | len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); |
| 1317 | break; |
| 1318 | case ISCSI_NET_PARAM_PORT: |
| 1319 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 1320 | len = sprintf(buf, "%d\n", |
| 1321 | ha->ip_config.ipv4_port); |
| 1322 | else |
| 1323 | len = sprintf(buf, "%d\n", |
| 1324 | ha->ip_config.ipv6_port); |
| 1325 | break; |
| 1326 | case ISCSI_NET_PARAM_IPADDR_STATE: |
| 1327 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1328 | pval = iscsi_get_ipaddress_state_name( |
| 1329 | ha->ip_config.ipv4_addr_state); |
| 1330 | } else { |
| 1331 | if (iface->iface_num == 0) |
| 1332 | pval = iscsi_get_ipaddress_state_name( |
| 1333 | ha->ip_config.ipv6_addr0_state); |
| 1334 | else if (iface->iface_num == 1) |
| 1335 | pval = iscsi_get_ipaddress_state_name( |
| 1336 | ha->ip_config.ipv6_addr1_state); |
| 1337 | } |
| 1338 | |
| 1339 | len = sprintf(buf, "%s\n", pval); |
| 1340 | break; |
| 1341 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: |
| 1342 | pval = iscsi_get_ipaddress_state_name( |
| 1343 | ha->ip_config.ipv6_link_local_state); |
| 1344 | len = sprintf(buf, "%s\n", pval); |
| 1345 | break; |
| 1346 | case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: |
| 1347 | pval = iscsi_get_router_state_name( |
| 1348 | ha->ip_config.ipv6_default_router_state); |
| 1349 | len = sprintf(buf, "%s\n", pval); |
| 1350 | break; |
| 1351 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
| 1352 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1353 | OP_STATE(~ha->ip_config.tcp_options, |
| 1354 | TCPOPT_DELAYED_ACK_DISABLE, pval); |
| 1355 | } else { |
| 1356 | OP_STATE(~ha->ip_config.ipv6_tcp_options, |
| 1357 | IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); |
| 1358 | } |
| 1359 | len = sprintf(buf, "%s\n", pval); |
| 1360 | break; |
| 1361 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
| 1362 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1363 | OP_STATE(~ha->ip_config.tcp_options, |
| 1364 | TCPOPT_NAGLE_ALGO_DISABLE, pval); |
| 1365 | } else { |
| 1366 | OP_STATE(~ha->ip_config.ipv6_tcp_options, |
| 1367 | IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); |
| 1368 | } |
| 1369 | len = sprintf(buf, "%s\n", pval); |
| 1370 | break; |
| 1371 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
| 1372 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1373 | OP_STATE(~ha->ip_config.tcp_options, |
| 1374 | TCPOPT_WINDOW_SCALE_DISABLE, pval); |
| 1375 | } else { |
| 1376 | OP_STATE(~ha->ip_config.ipv6_tcp_options, |
| 1377 | IPV6_TCPOPT_WINDOW_SCALE_DISABLE, |
| 1378 | pval); |
| 1379 | } |
| 1380 | len = sprintf(buf, "%s\n", pval); |
| 1381 | break; |
| 1382 | case ISCSI_NET_PARAM_TCP_WSF: |
| 1383 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 1384 | len = sprintf(buf, "%d\n", |
| 1385 | ha->ip_config.tcp_wsf); |
| 1386 | else |
| 1387 | len = sprintf(buf, "%d\n", |
| 1388 | ha->ip_config.ipv6_tcp_wsf); |
| 1389 | break; |
| 1390 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
| 1391 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 1392 | ival = (ha->ip_config.tcp_options & |
| 1393 | TCPOPT_TIMER_SCALE) >> 1; |
| 1394 | else |
| 1395 | ival = (ha->ip_config.ipv6_tcp_options & |
| 1396 | IPV6_TCPOPT_TIMER_SCALE) >> 1; |
| 1397 | |
| 1398 | len = sprintf(buf, "%d\n", ival); |
| 1399 | break; |
| 1400 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
| 1401 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1402 | OP_STATE(ha->ip_config.tcp_options, |
| 1403 | TCPOPT_TIMESTAMP_ENABLE, pval); |
| 1404 | } else { |
| 1405 | OP_STATE(ha->ip_config.ipv6_tcp_options, |
| 1406 | IPV6_TCPOPT_TIMESTAMP_EN, pval); |
| 1407 | } |
| 1408 | len = sprintf(buf, "%s\n", pval); |
| 1409 | break; |
| 1410 | case ISCSI_NET_PARAM_CACHE_ID: |
| 1411 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 1412 | len = sprintf(buf, "%d\n", |
| 1413 | ha->ip_config.ipv4_cache_id); |
| 1414 | else |
| 1415 | len = sprintf(buf, "%d\n", |
| 1416 | ha->ip_config.ipv6_cache_id); |
| 1417 | break; |
| 1418 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: |
| 1419 | OP_STATE(ha->ip_config.tcp_options, |
| 1420 | TCPOPT_DNS_SERVER_IP_EN, pval); |
| 1421 | |
| 1422 | len = sprintf(buf, "%s\n", pval); |
| 1423 | break; |
| 1424 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: |
| 1425 | OP_STATE(ha->ip_config.tcp_options, |
| 1426 | TCPOPT_SLP_DA_INFO_EN, pval); |
| 1427 | |
| 1428 | len = sprintf(buf, "%s\n", pval); |
| 1429 | break; |
| 1430 | case ISCSI_NET_PARAM_IPV4_TOS_EN: |
| 1431 | OP_STATE(ha->ip_config.ipv4_options, |
| 1432 | IPOPT_IPV4_TOS_EN, pval); |
| 1433 | |
| 1434 | len = sprintf(buf, "%s\n", pval); |
| 1435 | break; |
| 1436 | case ISCSI_NET_PARAM_IPV4_TOS: |
| 1437 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); |
| 1438 | break; |
| 1439 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: |
| 1440 | OP_STATE(ha->ip_config.ipv4_options, |
| 1441 | IPOPT_GRAT_ARP_EN, pval); |
| 1442 | |
| 1443 | len = sprintf(buf, "%s\n", pval); |
| 1444 | break; |
| 1445 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: |
| 1446 | OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, |
| 1447 | pval); |
| 1448 | |
| 1449 | len = sprintf(buf, "%s\n", pval); |
| 1450 | break; |
| 1451 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: |
| 1452 | pval = (ha->ip_config.ipv4_alt_cid_len) ? |
| 1453 | (char *)ha->ip_config.ipv4_alt_cid : ""; |
| 1454 | |
| 1455 | len = sprintf(buf, "%s\n", pval); |
| 1456 | break; |
| 1457 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: |
| 1458 | OP_STATE(ha->ip_config.ipv4_options, |
| 1459 | IPOPT_REQ_VID_EN, pval); |
| 1460 | |
| 1461 | len = sprintf(buf, "%s\n", pval); |
| 1462 | break; |
| 1463 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: |
| 1464 | OP_STATE(ha->ip_config.ipv4_options, |
| 1465 | IPOPT_USE_VID_EN, pval); |
| 1466 | |
| 1467 | len = sprintf(buf, "%s\n", pval); |
| 1468 | break; |
| 1469 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: |
| 1470 | pval = (ha->ip_config.ipv4_vid_len) ? |
| 1471 | (char *)ha->ip_config.ipv4_vid : ""; |
| 1472 | |
| 1473 | len = sprintf(buf, "%s\n", pval); |
| 1474 | break; |
| 1475 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: |
| 1476 | OP_STATE(ha->ip_config.ipv4_options, |
| 1477 | IPOPT_LEARN_IQN_EN, pval); |
| 1478 | |
| 1479 | len = sprintf(buf, "%s\n", pval); |
| 1480 | break; |
| 1481 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: |
| 1482 | OP_STATE(~ha->ip_config.ipv4_options, |
| 1483 | IPOPT_FRAGMENTATION_DISABLE, pval); |
| 1484 | |
| 1485 | len = sprintf(buf, "%s\n", pval); |
| 1486 | break; |
| 1487 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: |
| 1488 | OP_STATE(ha->ip_config.ipv4_options, |
| 1489 | IPOPT_IN_FORWARD_EN, pval); |
| 1490 | |
| 1491 | len = sprintf(buf, "%s\n", pval); |
| 1492 | break; |
| 1493 | case ISCSI_NET_PARAM_REDIRECT_EN: |
| 1494 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { |
| 1495 | OP_STATE(ha->ip_config.ipv4_options, |
| 1496 | IPOPT_ARP_REDIRECT_EN, pval); |
| 1497 | } else { |
| 1498 | OP_STATE(ha->ip_config.ipv6_options, |
| 1499 | IPV6_OPT_REDIRECT_EN, pval); |
| 1500 | } |
| 1501 | len = sprintf(buf, "%s\n", pval); |
| 1502 | break; |
| 1503 | case ISCSI_NET_PARAM_IPV4_TTL: |
| 1504 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); |
| 1505 | break; |
| 1506 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: |
| 1507 | OP_STATE(ha->ip_config.ipv6_options, |
| 1508 | IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); |
| 1509 | |
| 1510 | len = sprintf(buf, "%s\n", pval); |
| 1511 | break; |
| 1512 | case ISCSI_NET_PARAM_IPV6_MLD_EN: |
| 1513 | OP_STATE(ha->ip_config.ipv6_addl_options, |
| 1514 | IPV6_ADDOPT_MLD_EN, pval); |
| 1515 | |
| 1516 | len = sprintf(buf, "%s\n", pval); |
| 1517 | break; |
| 1518 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: |
| 1519 | len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); |
| 1520 | break; |
| 1521 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 1522 | len = sprintf(buf, "%d\n", |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1523 | ha->ip_config.ipv6_traffic_class); |
| 1524 | break; |
| 1525 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 1526 | len = sprintf(buf, "%d\n", |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1527 | ha->ip_config.ipv6_hop_limit); |
| 1528 | break; |
| 1529 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 1530 | len = sprintf(buf, "%d\n", |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1531 | ha->ip_config.ipv6_nd_reach_time); |
| 1532 | break; |
| 1533 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 1534 | len = sprintf(buf, "%d\n", |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 1535 | ha->ip_config.ipv6_nd_rexmit_timer); |
| 1536 | break; |
| 1537 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: |
| 1538 | len = sprintf(buf, "%d\n", |
| 1539 | ha->ip_config.ipv6_nd_stale_timeout); |
| 1540 | break; |
| 1541 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: |
| 1542 | len = sprintf(buf, "%d\n", |
| 1543 | ha->ip_config.ipv6_dup_addr_detect_count); |
| 1544 | break; |
| 1545 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: |
| 1546 | len = sprintf(buf, "%d\n", |
| 1547 | ha->ip_config.ipv6_gw_advrt_mtu); |
| 1548 | break; |
| 1549 | default: |
| 1550 | len = -ENOSYS; |
| 1551 | } |
| 1552 | } else if (param_type == ISCSI_IFACE_PARAM) { |
| 1553 | switch (param) { |
| 1554 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: |
| 1555 | len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); |
| 1556 | break; |
| 1557 | case ISCSI_IFACE_PARAM_HDRDGST_EN: |
| 1558 | OP_STATE(ha->ip_config.iscsi_options, |
| 1559 | ISCSIOPTS_HEADER_DIGEST_EN, pval); |
| 1560 | |
| 1561 | len = sprintf(buf, "%s\n", pval); |
| 1562 | break; |
| 1563 | case ISCSI_IFACE_PARAM_DATADGST_EN: |
| 1564 | OP_STATE(ha->ip_config.iscsi_options, |
| 1565 | ISCSIOPTS_DATA_DIGEST_EN, pval); |
| 1566 | |
| 1567 | len = sprintf(buf, "%s\n", pval); |
| 1568 | break; |
| 1569 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: |
| 1570 | OP_STATE(ha->ip_config.iscsi_options, |
| 1571 | ISCSIOPTS_IMMEDIATE_DATA_EN, pval); |
| 1572 | |
| 1573 | len = sprintf(buf, "%s\n", pval); |
| 1574 | break; |
| 1575 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: |
| 1576 | OP_STATE(ha->ip_config.iscsi_options, |
| 1577 | ISCSIOPTS_INITIAL_R2T_EN, pval); |
| 1578 | |
| 1579 | len = sprintf(buf, "%s\n", pval); |
| 1580 | break; |
| 1581 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: |
| 1582 | OP_STATE(ha->ip_config.iscsi_options, |
| 1583 | ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); |
| 1584 | |
| 1585 | len = sprintf(buf, "%s\n", pval); |
| 1586 | break; |
| 1587 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: |
| 1588 | OP_STATE(ha->ip_config.iscsi_options, |
| 1589 | ISCSIOPTS_DATA_PDU_INORDER_EN, pval); |
| 1590 | |
| 1591 | len = sprintf(buf, "%s\n", pval); |
| 1592 | break; |
| 1593 | case ISCSI_IFACE_PARAM_ERL: |
| 1594 | len = sprintf(buf, "%d\n", |
| 1595 | (ha->ip_config.iscsi_options & |
| 1596 | ISCSIOPTS_ERL)); |
| 1597 | break; |
| 1598 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: |
| 1599 | len = sprintf(buf, "%u\n", |
| 1600 | ha->ip_config.iscsi_max_pdu_size * |
| 1601 | BYTE_UNITS); |
| 1602 | break; |
| 1603 | case ISCSI_IFACE_PARAM_FIRST_BURST: |
| 1604 | len = sprintf(buf, "%u\n", |
| 1605 | ha->ip_config.iscsi_first_burst_len * |
| 1606 | BYTE_UNITS); |
| 1607 | break; |
| 1608 | case ISCSI_IFACE_PARAM_MAX_R2T: |
| 1609 | len = sprintf(buf, "%d\n", |
| 1610 | ha->ip_config.iscsi_max_outstnd_r2t); |
| 1611 | break; |
| 1612 | case ISCSI_IFACE_PARAM_MAX_BURST: |
| 1613 | len = sprintf(buf, "%u\n", |
| 1614 | ha->ip_config.iscsi_max_burst_len * |
| 1615 | BYTE_UNITS); |
| 1616 | break; |
| 1617 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: |
| 1618 | OP_STATE(ha->ip_config.iscsi_options, |
| 1619 | ISCSIOPTS_CHAP_AUTH_EN, pval); |
| 1620 | |
| 1621 | len = sprintf(buf, "%s\n", pval); |
| 1622 | break; |
| 1623 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: |
| 1624 | OP_STATE(ha->ip_config.iscsi_options, |
| 1625 | ISCSIOPTS_BIDI_CHAP_EN, pval); |
| 1626 | |
| 1627 | len = sprintf(buf, "%s\n", pval); |
| 1628 | break; |
| 1629 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: |
| 1630 | OP_STATE(ha->ip_config.iscsi_options, |
| 1631 | ISCSIOPTS_DISCOVERY_AUTH_EN, pval); |
| 1632 | |
| 1633 | len = sprintf(buf, "%s\n", pval); |
| 1634 | break; |
| 1635 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: |
| 1636 | OP_STATE(ha->ip_config.iscsi_options, |
| 1637 | ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); |
| 1638 | |
| 1639 | len = sprintf(buf, "%s\n", pval); |
| 1640 | break; |
| 1641 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: |
| 1642 | OP_STATE(ha->ip_config.iscsi_options, |
| 1643 | ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); |
| 1644 | |
| 1645 | len = sprintf(buf, "%s\n", pval); |
| 1646 | break; |
| 1647 | case ISCSI_IFACE_PARAM_INITIATOR_NAME: |
| 1648 | len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); |
| 1649 | break; |
| 1650 | default: |
| 1651 | len = -ENOSYS; |
| 1652 | } |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1653 | } |
| 1654 | |
| 1655 | return len; |
| 1656 | } |
| 1657 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1658 | static struct iscsi_endpoint * |
| 1659 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, |
| 1660 | int non_blocking) |
| 1661 | { |
| 1662 | int ret; |
| 1663 | struct iscsi_endpoint *ep; |
| 1664 | struct qla_endpoint *qla_ep; |
| 1665 | struct scsi_qla_host *ha; |
| 1666 | struct sockaddr_in *addr; |
| 1667 | struct sockaddr_in6 *addr6; |
| 1668 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1669 | if (!shost) { |
| 1670 | ret = -ENXIO; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 1671 | pr_err("%s: shost is NULL\n", __func__); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1672 | return ERR_PTR(ret); |
| 1673 | } |
| 1674 | |
| 1675 | ha = iscsi_host_priv(shost); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1676 | ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); |
| 1677 | if (!ep) { |
| 1678 | ret = -ENOMEM; |
| 1679 | return ERR_PTR(ret); |
| 1680 | } |
| 1681 | |
| 1682 | qla_ep = ep->dd_data; |
| 1683 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); |
| 1684 | if (dst_addr->sa_family == AF_INET) { |
| 1685 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); |
| 1686 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; |
| 1687 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, |
| 1688 | (char *)&addr->sin_addr)); |
| 1689 | } else if (dst_addr->sa_family == AF_INET6) { |
| 1690 | memcpy(&qla_ep->dst_addr, dst_addr, |
| 1691 | sizeof(struct sockaddr_in6)); |
| 1692 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; |
| 1693 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, |
| 1694 | (char *)&addr6->sin6_addr)); |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 1695 | } else { |
| 1696 | ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", |
| 1697 | __func__); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1698 | } |
| 1699 | |
| 1700 | qla_ep->host = shost; |
| 1701 | |
| 1702 | return ep; |
| 1703 | } |
| 1704 | |
| 1705 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
| 1706 | { |
| 1707 | struct qla_endpoint *qla_ep; |
| 1708 | struct scsi_qla_host *ha; |
| 1709 | int ret = 0; |
| 1710 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1711 | qla_ep = ep->dd_data; |
| 1712 | ha = to_qla_host(qla_ep->host); |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 1713 | DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1714 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1715 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1716 | ret = 1; |
| 1717 | |
| 1718 | return ret; |
| 1719 | } |
| 1720 | |
| 1721 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) |
| 1722 | { |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 1723 | struct qla_endpoint *qla_ep; |
| 1724 | struct scsi_qla_host *ha; |
| 1725 | |
| 1726 | qla_ep = ep->dd_data; |
| 1727 | ha = to_qla_host(qla_ep->host); |
| 1728 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
| 1729 | ha->host_no)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1730 | iscsi_destroy_endpoint(ep); |
| 1731 | } |
| 1732 | |
| 1733 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, |
| 1734 | enum iscsi_param param, |
| 1735 | char *buf) |
| 1736 | { |
| 1737 | struct qla_endpoint *qla_ep = ep->dd_data; |
| 1738 | struct sockaddr *dst_addr; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 1739 | struct scsi_qla_host *ha; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1740 | |
Adheer Chandravanshi | 73597bd | 2014-04-09 21:12:27 -0400 | [diff] [blame] | 1741 | if (!qla_ep) |
| 1742 | return -ENOTCONN; |
| 1743 | |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 1744 | ha = to_qla_host(qla_ep->host); |
| 1745 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
| 1746 | ha->host_no)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1747 | |
| 1748 | switch (param) { |
| 1749 | case ISCSI_PARAM_CONN_PORT: |
| 1750 | case ISCSI_PARAM_CONN_ADDRESS: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1751 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; |
| 1752 | if (!dst_addr) |
| 1753 | return -ENOTCONN; |
| 1754 | |
| 1755 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
| 1756 | &qla_ep->dst_addr, param, buf); |
| 1757 | default: |
| 1758 | return -ENOSYS; |
| 1759 | } |
| 1760 | } |
| 1761 | |
| 1762 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, |
| 1763 | struct iscsi_stats *stats) |
| 1764 | { |
| 1765 | struct iscsi_session *sess; |
| 1766 | struct iscsi_cls_session *cls_sess; |
| 1767 | struct ddb_entry *ddb_entry; |
| 1768 | struct scsi_qla_host *ha; |
| 1769 | struct ql_iscsi_stats *ql_iscsi_stats; |
| 1770 | int stats_size; |
| 1771 | int ret; |
| 1772 | dma_addr_t iscsi_stats_dma; |
| 1773 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1774 | cls_sess = iscsi_conn_to_session(cls_conn); |
| 1775 | sess = cls_sess->dd_data; |
| 1776 | ddb_entry = sess->dd_data; |
| 1777 | ha = ddb_entry->ha; |
| 1778 | |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 1779 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
| 1780 | ha->host_no)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1781 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); |
| 1782 | /* Allocate memory */ |
| 1783 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, |
| 1784 | &iscsi_stats_dma, GFP_KERNEL); |
| 1785 | if (!ql_iscsi_stats) { |
| 1786 | ql4_printk(KERN_ERR, ha, |
| 1787 | "Unable to allocate memory for iscsi stats\n"); |
| 1788 | goto exit_get_stats; |
| 1789 | } |
| 1790 | |
| 1791 | ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, |
| 1792 | iscsi_stats_dma); |
| 1793 | if (ret != QLA_SUCCESS) { |
| 1794 | ql4_printk(KERN_ERR, ha, |
Masanari Iida | 59e13d4 | 2012-04-25 00:24:16 +0900 | [diff] [blame] | 1795 | "Unable to retrieve iscsi stats\n"); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1796 | goto free_stats; |
| 1797 | } |
| 1798 | |
| 1799 | /* octets */ |
| 1800 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); |
| 1801 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); |
| 1802 | /* xmit pdus */ |
| 1803 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); |
| 1804 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); |
| 1805 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); |
| 1806 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); |
| 1807 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); |
| 1808 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); |
| 1809 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); |
| 1810 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); |
| 1811 | /* recv pdus */ |
| 1812 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); |
| 1813 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); |
| 1814 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); |
| 1815 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); |
| 1816 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); |
| 1817 | stats->logoutrsp_pdus = |
| 1818 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); |
| 1819 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); |
| 1820 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); |
| 1821 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); |
| 1822 | |
| 1823 | free_stats: |
| 1824 | dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, |
| 1825 | iscsi_stats_dma); |
| 1826 | exit_get_stats: |
| 1827 | return; |
| 1828 | } |
| 1829 | |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 1830 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) |
| 1831 | { |
| 1832 | struct iscsi_cls_session *session; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1833 | struct iscsi_session *sess; |
| 1834 | unsigned long flags; |
| 1835 | enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 1836 | |
| 1837 | session = starget_to_session(scsi_target(sc->device)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1838 | sess = session->dd_data; |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 1839 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1840 | spin_lock_irqsave(&session->lock, flags); |
| 1841 | if (session->state == ISCSI_SESSION_FAILED) |
| 1842 | ret = BLK_EH_RESET_TIMER; |
| 1843 | spin_unlock_irqrestore(&session->lock, flags); |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 1844 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1845 | return ret; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1846 | } |
| 1847 | |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 1848 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
| 1849 | { |
| 1850 | struct scsi_qla_host *ha = to_qla_host(shost); |
Vikas Chaudhary | e16d166 | 2012-03-02 01:55:31 -0800 | [diff] [blame] | 1851 | struct iscsi_cls_host *ihost = shost->shost_data; |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 1852 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
| 1853 | |
| 1854 | qla4xxx_get_firmware_state(ha); |
| 1855 | |
| 1856 | switch (ha->addl_fw_state & 0x0F00) { |
| 1857 | case FW_ADDSTATE_LINK_SPEED_10MBPS: |
| 1858 | speed = ISCSI_PORT_SPEED_10MBPS; |
| 1859 | break; |
| 1860 | case FW_ADDSTATE_LINK_SPEED_100MBPS: |
| 1861 | speed = ISCSI_PORT_SPEED_100MBPS; |
| 1862 | break; |
| 1863 | case FW_ADDSTATE_LINK_SPEED_1GBPS: |
| 1864 | speed = ISCSI_PORT_SPEED_1GBPS; |
| 1865 | break; |
| 1866 | case FW_ADDSTATE_LINK_SPEED_10GBPS: |
| 1867 | speed = ISCSI_PORT_SPEED_10GBPS; |
| 1868 | break; |
| 1869 | } |
| 1870 | ihost->port_speed = speed; |
| 1871 | } |
| 1872 | |
| 1873 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) |
| 1874 | { |
| 1875 | struct scsi_qla_host *ha = to_qla_host(shost); |
Vikas Chaudhary | e16d166 | 2012-03-02 01:55:31 -0800 | [diff] [blame] | 1876 | struct iscsi_cls_host *ihost = shost->shost_data; |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 1877 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
| 1878 | |
| 1879 | if (test_bit(AF_LINK_UP, &ha->flags)) |
| 1880 | state = ISCSI_PORT_STATE_UP; |
| 1881 | |
| 1882 | ihost->port_state = state; |
| 1883 | } |
| 1884 | |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 1885 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
| 1886 | enum iscsi_host_param param, char *buf) |
| 1887 | { |
| 1888 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 1889 | int len; |
| 1890 | |
| 1891 | switch (param) { |
| 1892 | case ISCSI_HOST_PARAM_HWADDRESS: |
Michael Chan | 7ffc49a | 2007-12-24 21:28:09 -0800 | [diff] [blame] | 1893 | len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 1894 | break; |
Mike Christie | 2223696 | 2007-05-30 12:57:24 -0500 | [diff] [blame] | 1895 | case ISCSI_HOST_PARAM_IPADDRESS: |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 1896 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
Mike Christie | 2223696 | 2007-05-30 12:57:24 -0500 | [diff] [blame] | 1897 | break; |
Mike Christie | 8ad5781 | 2007-05-30 12:57:13 -0500 | [diff] [blame] | 1898 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
Mike Christie | 2223696 | 2007-05-30 12:57:24 -0500 | [diff] [blame] | 1899 | len = sprintf(buf, "%s\n", ha->name_string); |
Mike Christie | 8ad5781 | 2007-05-30 12:57:13 -0500 | [diff] [blame] | 1900 | break; |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 1901 | case ISCSI_HOST_PARAM_PORT_STATE: |
| 1902 | qla4xxx_set_port_state(shost); |
| 1903 | len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); |
| 1904 | break; |
| 1905 | case ISCSI_HOST_PARAM_PORT_SPEED: |
| 1906 | qla4xxx_set_port_speed(shost); |
| 1907 | len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); |
| 1908 | break; |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 1909 | default: |
| 1910 | return -ENOSYS; |
| 1911 | } |
| 1912 | |
| 1913 | return len; |
| 1914 | } |
| 1915 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1916 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
| 1917 | { |
| 1918 | if (ha->iface_ipv4) |
| 1919 | return; |
| 1920 | |
| 1921 | /* IPv4 */ |
| 1922 | ha->iface_ipv4 = iscsi_create_iface(ha->host, |
| 1923 | &qla4xxx_iscsi_transport, |
| 1924 | ISCSI_IFACE_TYPE_IPV4, 0, 0); |
| 1925 | if (!ha->iface_ipv4) |
| 1926 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " |
| 1927 | "iface0.\n"); |
| 1928 | } |
| 1929 | |
| 1930 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) |
| 1931 | { |
| 1932 | if (!ha->iface_ipv6_0) |
| 1933 | /* IPv6 iface-0 */ |
| 1934 | ha->iface_ipv6_0 = iscsi_create_iface(ha->host, |
| 1935 | &qla4xxx_iscsi_transport, |
| 1936 | ISCSI_IFACE_TYPE_IPV6, 0, |
| 1937 | 0); |
| 1938 | if (!ha->iface_ipv6_0) |
| 1939 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " |
| 1940 | "iface0.\n"); |
| 1941 | |
| 1942 | if (!ha->iface_ipv6_1) |
| 1943 | /* IPv6 iface-1 */ |
| 1944 | ha->iface_ipv6_1 = iscsi_create_iface(ha->host, |
| 1945 | &qla4xxx_iscsi_transport, |
| 1946 | ISCSI_IFACE_TYPE_IPV6, 1, |
| 1947 | 0); |
| 1948 | if (!ha->iface_ipv6_1) |
| 1949 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " |
| 1950 | "iface1.\n"); |
| 1951 | } |
| 1952 | |
| 1953 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) |
| 1954 | { |
| 1955 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) |
| 1956 | qla4xxx_create_ipv4_iface(ha); |
| 1957 | |
| 1958 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) |
| 1959 | qla4xxx_create_ipv6_iface(ha); |
| 1960 | } |
| 1961 | |
| 1962 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) |
| 1963 | { |
| 1964 | if (ha->iface_ipv4) { |
| 1965 | iscsi_destroy_iface(ha->iface_ipv4); |
| 1966 | ha->iface_ipv4 = NULL; |
| 1967 | } |
| 1968 | } |
| 1969 | |
| 1970 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) |
| 1971 | { |
| 1972 | if (ha->iface_ipv6_0) { |
| 1973 | iscsi_destroy_iface(ha->iface_ipv6_0); |
| 1974 | ha->iface_ipv6_0 = NULL; |
| 1975 | } |
| 1976 | if (ha->iface_ipv6_1) { |
| 1977 | iscsi_destroy_iface(ha->iface_ipv6_1); |
| 1978 | ha->iface_ipv6_1 = NULL; |
| 1979 | } |
| 1980 | } |
| 1981 | |
| 1982 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) |
| 1983 | { |
| 1984 | qla4xxx_destroy_ipv4_iface(ha); |
| 1985 | qla4xxx_destroy_ipv6_iface(ha); |
| 1986 | } |
| 1987 | |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1988 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
| 1989 | struct iscsi_iface_param_info *iface_param, |
| 1990 | struct addr_ctrl_blk *init_fw_cb) |
| 1991 | { |
| 1992 | /* |
| 1993 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. |
| 1994 | * iface_num 1 is valid only for IPv6 Addr. |
| 1995 | */ |
| 1996 | switch (iface_param->param) { |
| 1997 | case ISCSI_NET_PARAM_IPV6_ADDR: |
| 1998 | if (iface_param->iface_num & 0x1) |
| 1999 | /* IPv6 Addr 1 */ |
| 2000 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, |
| 2001 | sizeof(init_fw_cb->ipv6_addr1)); |
| 2002 | else |
| 2003 | /* IPv6 Addr 0 */ |
| 2004 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, |
| 2005 | sizeof(init_fw_cb->ipv6_addr0)); |
| 2006 | break; |
| 2007 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
| 2008 | if (iface_param->iface_num & 0x1) |
| 2009 | break; |
| 2010 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], |
| 2011 | sizeof(init_fw_cb->ipv6_if_id)); |
| 2012 | break; |
| 2013 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
| 2014 | if (iface_param->iface_num & 0x1) |
| 2015 | break; |
| 2016 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, |
| 2017 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); |
| 2018 | break; |
| 2019 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
| 2020 | /* Autocfg applies to even interface */ |
| 2021 | if (iface_param->iface_num & 0x1) |
| 2022 | break; |
| 2023 | |
| 2024 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) |
| 2025 | init_fw_cb->ipv6_addtl_opts &= |
| 2026 | cpu_to_le16( |
| 2027 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); |
| 2028 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) |
| 2029 | init_fw_cb->ipv6_addtl_opts |= |
| 2030 | cpu_to_le16( |
| 2031 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); |
| 2032 | else |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2033 | ql4_printk(KERN_ERR, ha, |
| 2034 | "Invalid autocfg setting for IPv6 addr\n"); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2035 | break; |
| 2036 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
| 2037 | /* Autocfg applies to even interface */ |
| 2038 | if (iface_param->iface_num & 0x1) |
| 2039 | break; |
| 2040 | |
| 2041 | if (iface_param->value[0] == |
| 2042 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) |
| 2043 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( |
| 2044 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); |
| 2045 | else if (iface_param->value[0] == |
| 2046 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) |
| 2047 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( |
| 2048 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); |
| 2049 | else |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2050 | ql4_printk(KERN_ERR, ha, |
| 2051 | "Invalid autocfg setting for IPv6 linklocal addr\n"); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2052 | break; |
| 2053 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: |
| 2054 | /* Autocfg applies to even interface */ |
| 2055 | if (iface_param->iface_num & 0x1) |
| 2056 | break; |
| 2057 | |
| 2058 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) |
| 2059 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, |
| 2060 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); |
| 2061 | break; |
| 2062 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 2063 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2064 | init_fw_cb->ipv6_opts |= |
| 2065 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 2066 | qla4xxx_create_ipv6_iface(ha); |
| 2067 | } else { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2068 | init_fw_cb->ipv6_opts &= |
| 2069 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & |
| 2070 | 0xFFFF); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 2071 | qla4xxx_destroy_ipv6_iface(ha); |
| 2072 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2073 | break; |
Mike Christie | 2d63673 | 2011-10-11 17:55:11 -0500 | [diff] [blame] | 2074 | case ISCSI_NET_PARAM_VLAN_TAG: |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2075 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
| 2076 | break; |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 2077 | init_fw_cb->ipv6_vlan_tag = |
| 2078 | cpu_to_be16(*(uint16_t *)iface_param->value); |
| 2079 | break; |
| 2080 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
| 2081 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) |
| 2082 | init_fw_cb->ipv6_opts |= |
| 2083 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); |
| 2084 | else |
| 2085 | init_fw_cb->ipv6_opts &= |
| 2086 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2087 | break; |
Vikas Chaudhary | 943c157 | 2011-08-01 03:26:13 -0700 | [diff] [blame] | 2088 | case ISCSI_NET_PARAM_MTU: |
| 2089 | init_fw_cb->eth_mtu_size = |
| 2090 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 2091 | break; |
Vikas Chaudhary | 2ada7fc | 2011-08-01 03:26:19 -0700 | [diff] [blame] | 2092 | case ISCSI_NET_PARAM_PORT: |
| 2093 | /* Autocfg applies to even interface */ |
| 2094 | if (iface_param->iface_num & 0x1) |
| 2095 | break; |
| 2096 | |
| 2097 | init_fw_cb->ipv6_port = |
| 2098 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 2099 | break; |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2100 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
| 2101 | if (iface_param->iface_num & 0x1) |
| 2102 | break; |
| 2103 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
| 2104 | init_fw_cb->ipv6_tcp_opts |= |
| 2105 | cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); |
| 2106 | else |
| 2107 | init_fw_cb->ipv6_tcp_opts &= |
Vikas Chaudhary | 8f10872 | 2013-12-16 06:49:53 -0500 | [diff] [blame] | 2108 | cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & |
| 2109 | 0xFFFF); |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2110 | break; |
| 2111 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
| 2112 | if (iface_param->iface_num & 0x1) |
| 2113 | break; |
| 2114 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
| 2115 | init_fw_cb->ipv6_tcp_opts |= |
| 2116 | cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); |
| 2117 | else |
| 2118 | init_fw_cb->ipv6_tcp_opts &= |
| 2119 | cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); |
| 2120 | break; |
| 2121 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
| 2122 | if (iface_param->iface_num & 0x1) |
| 2123 | break; |
| 2124 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
| 2125 | init_fw_cb->ipv6_tcp_opts |= |
| 2126 | cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); |
| 2127 | else |
| 2128 | init_fw_cb->ipv6_tcp_opts &= |
| 2129 | cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); |
| 2130 | break; |
| 2131 | case ISCSI_NET_PARAM_TCP_WSF: |
| 2132 | if (iface_param->iface_num & 0x1) |
| 2133 | break; |
| 2134 | init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; |
| 2135 | break; |
| 2136 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
| 2137 | if (iface_param->iface_num & 0x1) |
| 2138 | break; |
| 2139 | init_fw_cb->ipv6_tcp_opts &= |
| 2140 | cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); |
| 2141 | init_fw_cb->ipv6_tcp_opts |= |
| 2142 | cpu_to_le16((iface_param->value[0] << 1) & |
| 2143 | IPV6_TCPOPT_TIMER_SCALE); |
| 2144 | break; |
| 2145 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
| 2146 | if (iface_param->iface_num & 0x1) |
| 2147 | break; |
| 2148 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2149 | init_fw_cb->ipv6_tcp_opts |= |
| 2150 | cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); |
| 2151 | else |
| 2152 | init_fw_cb->ipv6_tcp_opts &= |
| 2153 | cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); |
| 2154 | break; |
| 2155 | case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: |
| 2156 | if (iface_param->iface_num & 0x1) |
| 2157 | break; |
| 2158 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2159 | init_fw_cb->ipv6_opts |= |
| 2160 | cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); |
| 2161 | else |
| 2162 | init_fw_cb->ipv6_opts &= |
| 2163 | cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); |
| 2164 | break; |
| 2165 | case ISCSI_NET_PARAM_REDIRECT_EN: |
| 2166 | if (iface_param->iface_num & 0x1) |
| 2167 | break; |
| 2168 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2169 | init_fw_cb->ipv6_opts |= |
| 2170 | cpu_to_le16(IPV6_OPT_REDIRECT_EN); |
| 2171 | else |
| 2172 | init_fw_cb->ipv6_opts &= |
| 2173 | cpu_to_le16(~IPV6_OPT_REDIRECT_EN); |
| 2174 | break; |
| 2175 | case ISCSI_NET_PARAM_IPV6_MLD_EN: |
| 2176 | if (iface_param->iface_num & 0x1) |
| 2177 | break; |
| 2178 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2179 | init_fw_cb->ipv6_addtl_opts |= |
| 2180 | cpu_to_le16(IPV6_ADDOPT_MLD_EN); |
| 2181 | else |
| 2182 | init_fw_cb->ipv6_addtl_opts &= |
| 2183 | cpu_to_le16(~IPV6_ADDOPT_MLD_EN); |
| 2184 | break; |
| 2185 | case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: |
| 2186 | if (iface_param->iface_num & 0x1) |
| 2187 | break; |
| 2188 | init_fw_cb->ipv6_flow_lbl = |
| 2189 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 2190 | break; |
| 2191 | case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: |
| 2192 | if (iface_param->iface_num & 0x1) |
| 2193 | break; |
| 2194 | init_fw_cb->ipv6_traffic_class = iface_param->value[0]; |
| 2195 | break; |
| 2196 | case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: |
| 2197 | if (iface_param->iface_num & 0x1) |
| 2198 | break; |
| 2199 | init_fw_cb->ipv6_hop_limit = iface_param->value[0]; |
| 2200 | break; |
| 2201 | case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: |
| 2202 | if (iface_param->iface_num & 0x1) |
| 2203 | break; |
| 2204 | init_fw_cb->ipv6_nd_reach_time = |
| 2205 | cpu_to_le32(*(uint32_t *)iface_param->value); |
| 2206 | break; |
| 2207 | case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: |
| 2208 | if (iface_param->iface_num & 0x1) |
| 2209 | break; |
| 2210 | init_fw_cb->ipv6_nd_rexmit_timer = |
| 2211 | cpu_to_le32(*(uint32_t *)iface_param->value); |
| 2212 | break; |
| 2213 | case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: |
| 2214 | if (iface_param->iface_num & 0x1) |
| 2215 | break; |
| 2216 | init_fw_cb->ipv6_nd_stale_timeout = |
| 2217 | cpu_to_le32(*(uint32_t *)iface_param->value); |
| 2218 | break; |
| 2219 | case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: |
| 2220 | if (iface_param->iface_num & 0x1) |
| 2221 | break; |
| 2222 | init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; |
| 2223 | break; |
| 2224 | case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: |
| 2225 | if (iface_param->iface_num & 0x1) |
| 2226 | break; |
| 2227 | init_fw_cb->ipv6_gw_advrt_mtu = |
| 2228 | cpu_to_le32(*(uint32_t *)iface_param->value); |
| 2229 | break; |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2230 | default: |
| 2231 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", |
| 2232 | iface_param->param); |
| 2233 | break; |
| 2234 | } |
| 2235 | } |
| 2236 | |
| 2237 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, |
| 2238 | struct iscsi_iface_param_info *iface_param, |
| 2239 | struct addr_ctrl_blk *init_fw_cb) |
| 2240 | { |
| 2241 | switch (iface_param->param) { |
| 2242 | case ISCSI_NET_PARAM_IPV4_ADDR: |
| 2243 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, |
| 2244 | sizeof(init_fw_cb->ipv4_addr)); |
| 2245 | break; |
| 2246 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
| 2247 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, |
| 2248 | sizeof(init_fw_cb->ipv4_subnet)); |
| 2249 | break; |
| 2250 | case ISCSI_NET_PARAM_IPV4_GW: |
| 2251 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, |
| 2252 | sizeof(init_fw_cb->ipv4_gw_addr)); |
| 2253 | break; |
| 2254 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
| 2255 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) |
| 2256 | init_fw_cb->ipv4_tcp_opts |= |
| 2257 | cpu_to_le16(TCPOPT_DHCP_ENABLE); |
| 2258 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) |
| 2259 | init_fw_cb->ipv4_tcp_opts &= |
| 2260 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); |
| 2261 | else |
| 2262 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); |
| 2263 | break; |
| 2264 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 2265 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2266 | init_fw_cb->ipv4_ip_opts |= |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 2267 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 2268 | qla4xxx_create_ipv4_iface(ha); |
| 2269 | } else { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2270 | init_fw_cb->ipv4_ip_opts &= |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 2271 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2272 | 0xFFFF); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 2273 | qla4xxx_destroy_ipv4_iface(ha); |
| 2274 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2275 | break; |
Mike Christie | 2d63673 | 2011-10-11 17:55:11 -0500 | [diff] [blame] | 2276 | case ISCSI_NET_PARAM_VLAN_TAG: |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2277 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
| 2278 | break; |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 2279 | init_fw_cb->ipv4_vlan_tag = |
| 2280 | cpu_to_be16(*(uint16_t *)iface_param->value); |
| 2281 | break; |
| 2282 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
| 2283 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) |
| 2284 | init_fw_cb->ipv4_ip_opts |= |
| 2285 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); |
| 2286 | else |
| 2287 | init_fw_cb->ipv4_ip_opts &= |
| 2288 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2289 | break; |
Vikas Chaudhary | 943c157 | 2011-08-01 03:26:13 -0700 | [diff] [blame] | 2290 | case ISCSI_NET_PARAM_MTU: |
| 2291 | init_fw_cb->eth_mtu_size = |
| 2292 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 2293 | break; |
Vikas Chaudhary | 2ada7fc | 2011-08-01 03:26:19 -0700 | [diff] [blame] | 2294 | case ISCSI_NET_PARAM_PORT: |
| 2295 | init_fw_cb->ipv4_port = |
| 2296 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 2297 | break; |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2298 | case ISCSI_NET_PARAM_DELAYED_ACK_EN: |
| 2299 | if (iface_param->iface_num & 0x1) |
| 2300 | break; |
| 2301 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
| 2302 | init_fw_cb->ipv4_tcp_opts |= |
| 2303 | cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); |
| 2304 | else |
| 2305 | init_fw_cb->ipv4_tcp_opts &= |
Vikas Chaudhary | 8f10872 | 2013-12-16 06:49:53 -0500 | [diff] [blame] | 2306 | cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & |
| 2307 | 0xFFFF); |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2308 | break; |
| 2309 | case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: |
| 2310 | if (iface_param->iface_num & 0x1) |
| 2311 | break; |
| 2312 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
| 2313 | init_fw_cb->ipv4_tcp_opts |= |
| 2314 | cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); |
| 2315 | else |
| 2316 | init_fw_cb->ipv4_tcp_opts &= |
| 2317 | cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); |
| 2318 | break; |
| 2319 | case ISCSI_NET_PARAM_TCP_WSF_DISABLE: |
| 2320 | if (iface_param->iface_num & 0x1) |
| 2321 | break; |
| 2322 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
| 2323 | init_fw_cb->ipv4_tcp_opts |= |
| 2324 | cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); |
| 2325 | else |
| 2326 | init_fw_cb->ipv4_tcp_opts &= |
| 2327 | cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); |
| 2328 | break; |
| 2329 | case ISCSI_NET_PARAM_TCP_WSF: |
| 2330 | if (iface_param->iface_num & 0x1) |
| 2331 | break; |
| 2332 | init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; |
| 2333 | break; |
| 2334 | case ISCSI_NET_PARAM_TCP_TIMER_SCALE: |
| 2335 | if (iface_param->iface_num & 0x1) |
| 2336 | break; |
| 2337 | init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); |
| 2338 | init_fw_cb->ipv4_tcp_opts |= |
| 2339 | cpu_to_le16((iface_param->value[0] << 1) & |
| 2340 | TCPOPT_TIMER_SCALE); |
| 2341 | break; |
| 2342 | case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: |
| 2343 | if (iface_param->iface_num & 0x1) |
| 2344 | break; |
| 2345 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2346 | init_fw_cb->ipv4_tcp_opts |= |
| 2347 | cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); |
| 2348 | else |
| 2349 | init_fw_cb->ipv4_tcp_opts &= |
| 2350 | cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); |
| 2351 | break; |
| 2352 | case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: |
| 2353 | if (iface_param->iface_num & 0x1) |
| 2354 | break; |
| 2355 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2356 | init_fw_cb->ipv4_tcp_opts |= |
| 2357 | cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); |
| 2358 | else |
| 2359 | init_fw_cb->ipv4_tcp_opts &= |
| 2360 | cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); |
| 2361 | break; |
| 2362 | case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: |
| 2363 | if (iface_param->iface_num & 0x1) |
| 2364 | break; |
| 2365 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2366 | init_fw_cb->ipv4_tcp_opts |= |
| 2367 | cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); |
| 2368 | else |
| 2369 | init_fw_cb->ipv4_tcp_opts &= |
| 2370 | cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); |
| 2371 | break; |
| 2372 | case ISCSI_NET_PARAM_IPV4_TOS_EN: |
| 2373 | if (iface_param->iface_num & 0x1) |
| 2374 | break; |
| 2375 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2376 | init_fw_cb->ipv4_ip_opts |= |
| 2377 | cpu_to_le16(IPOPT_IPV4_TOS_EN); |
| 2378 | else |
| 2379 | init_fw_cb->ipv4_ip_opts &= |
| 2380 | cpu_to_le16(~IPOPT_IPV4_TOS_EN); |
| 2381 | break; |
| 2382 | case ISCSI_NET_PARAM_IPV4_TOS: |
| 2383 | if (iface_param->iface_num & 0x1) |
| 2384 | break; |
| 2385 | init_fw_cb->ipv4_tos = iface_param->value[0]; |
| 2386 | break; |
| 2387 | case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: |
| 2388 | if (iface_param->iface_num & 0x1) |
| 2389 | break; |
| 2390 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2391 | init_fw_cb->ipv4_ip_opts |= |
| 2392 | cpu_to_le16(IPOPT_GRAT_ARP_EN); |
| 2393 | else |
| 2394 | init_fw_cb->ipv4_ip_opts &= |
| 2395 | cpu_to_le16(~IPOPT_GRAT_ARP_EN); |
| 2396 | break; |
| 2397 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: |
| 2398 | if (iface_param->iface_num & 0x1) |
| 2399 | break; |
| 2400 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2401 | init_fw_cb->ipv4_ip_opts |= |
| 2402 | cpu_to_le16(IPOPT_ALT_CID_EN); |
| 2403 | else |
| 2404 | init_fw_cb->ipv4_ip_opts &= |
| 2405 | cpu_to_le16(~IPOPT_ALT_CID_EN); |
| 2406 | break; |
| 2407 | case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: |
| 2408 | if (iface_param->iface_num & 0x1) |
| 2409 | break; |
| 2410 | memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, |
| 2411 | (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); |
| 2412 | init_fw_cb->ipv4_dhcp_alt_cid_len = |
| 2413 | strlen(init_fw_cb->ipv4_dhcp_alt_cid); |
| 2414 | break; |
| 2415 | case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: |
| 2416 | if (iface_param->iface_num & 0x1) |
| 2417 | break; |
| 2418 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2419 | init_fw_cb->ipv4_ip_opts |= |
| 2420 | cpu_to_le16(IPOPT_REQ_VID_EN); |
| 2421 | else |
| 2422 | init_fw_cb->ipv4_ip_opts &= |
| 2423 | cpu_to_le16(~IPOPT_REQ_VID_EN); |
| 2424 | break; |
| 2425 | case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: |
| 2426 | if (iface_param->iface_num & 0x1) |
| 2427 | break; |
| 2428 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2429 | init_fw_cb->ipv4_ip_opts |= |
| 2430 | cpu_to_le16(IPOPT_USE_VID_EN); |
| 2431 | else |
| 2432 | init_fw_cb->ipv4_ip_opts &= |
| 2433 | cpu_to_le16(~IPOPT_USE_VID_EN); |
| 2434 | break; |
| 2435 | case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: |
| 2436 | if (iface_param->iface_num & 0x1) |
| 2437 | break; |
| 2438 | memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, |
| 2439 | (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); |
| 2440 | init_fw_cb->ipv4_dhcp_vid_len = |
| 2441 | strlen(init_fw_cb->ipv4_dhcp_vid); |
| 2442 | break; |
| 2443 | case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: |
| 2444 | if (iface_param->iface_num & 0x1) |
| 2445 | break; |
| 2446 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2447 | init_fw_cb->ipv4_ip_opts |= |
| 2448 | cpu_to_le16(IPOPT_LEARN_IQN_EN); |
| 2449 | else |
| 2450 | init_fw_cb->ipv4_ip_opts &= |
| 2451 | cpu_to_le16(~IPOPT_LEARN_IQN_EN); |
| 2452 | break; |
| 2453 | case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: |
| 2454 | if (iface_param->iface_num & 0x1) |
| 2455 | break; |
| 2456 | if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) |
| 2457 | init_fw_cb->ipv4_ip_opts |= |
| 2458 | cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); |
| 2459 | else |
| 2460 | init_fw_cb->ipv4_ip_opts &= |
| 2461 | cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); |
| 2462 | break; |
| 2463 | case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: |
| 2464 | if (iface_param->iface_num & 0x1) |
| 2465 | break; |
| 2466 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2467 | init_fw_cb->ipv4_ip_opts |= |
| 2468 | cpu_to_le16(IPOPT_IN_FORWARD_EN); |
| 2469 | else |
| 2470 | init_fw_cb->ipv4_ip_opts &= |
| 2471 | cpu_to_le16(~IPOPT_IN_FORWARD_EN); |
| 2472 | break; |
| 2473 | case ISCSI_NET_PARAM_REDIRECT_EN: |
| 2474 | if (iface_param->iface_num & 0x1) |
| 2475 | break; |
| 2476 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2477 | init_fw_cb->ipv4_ip_opts |= |
| 2478 | cpu_to_le16(IPOPT_ARP_REDIRECT_EN); |
| 2479 | else |
| 2480 | init_fw_cb->ipv4_ip_opts &= |
| 2481 | cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); |
| 2482 | break; |
| 2483 | case ISCSI_NET_PARAM_IPV4_TTL: |
| 2484 | if (iface_param->iface_num & 0x1) |
| 2485 | break; |
| 2486 | init_fw_cb->ipv4_ttl = iface_param->value[0]; |
| 2487 | break; |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2488 | default: |
| 2489 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", |
| 2490 | iface_param->param); |
| 2491 | break; |
| 2492 | } |
| 2493 | } |
| 2494 | |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2495 | static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, |
| 2496 | struct iscsi_iface_param_info *iface_param, |
| 2497 | struct addr_ctrl_blk *init_fw_cb) |
| 2498 | { |
| 2499 | switch (iface_param->param) { |
| 2500 | case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: |
| 2501 | if (iface_param->iface_num & 0x1) |
| 2502 | break; |
| 2503 | init_fw_cb->def_timeout = |
| 2504 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 2505 | break; |
| 2506 | case ISCSI_IFACE_PARAM_HDRDGST_EN: |
| 2507 | if (iface_param->iface_num & 0x1) |
| 2508 | break; |
| 2509 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2510 | init_fw_cb->iscsi_opts |= |
| 2511 | cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); |
| 2512 | else |
| 2513 | init_fw_cb->iscsi_opts &= |
| 2514 | cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); |
| 2515 | break; |
| 2516 | case ISCSI_IFACE_PARAM_DATADGST_EN: |
| 2517 | if (iface_param->iface_num & 0x1) |
| 2518 | break; |
| 2519 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2520 | init_fw_cb->iscsi_opts |= |
| 2521 | cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); |
| 2522 | else |
| 2523 | init_fw_cb->iscsi_opts &= |
| 2524 | cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); |
| 2525 | break; |
| 2526 | case ISCSI_IFACE_PARAM_IMM_DATA_EN: |
| 2527 | if (iface_param->iface_num & 0x1) |
| 2528 | break; |
| 2529 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2530 | init_fw_cb->iscsi_opts |= |
| 2531 | cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); |
| 2532 | else |
| 2533 | init_fw_cb->iscsi_opts &= |
| 2534 | cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); |
| 2535 | break; |
| 2536 | case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: |
| 2537 | if (iface_param->iface_num & 0x1) |
| 2538 | break; |
| 2539 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2540 | init_fw_cb->iscsi_opts |= |
| 2541 | cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); |
| 2542 | else |
| 2543 | init_fw_cb->iscsi_opts &= |
| 2544 | cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); |
| 2545 | break; |
| 2546 | case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: |
| 2547 | if (iface_param->iface_num & 0x1) |
| 2548 | break; |
| 2549 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2550 | init_fw_cb->iscsi_opts |= |
| 2551 | cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); |
| 2552 | else |
| 2553 | init_fw_cb->iscsi_opts &= |
| 2554 | cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); |
| 2555 | break; |
| 2556 | case ISCSI_IFACE_PARAM_PDU_INORDER_EN: |
| 2557 | if (iface_param->iface_num & 0x1) |
| 2558 | break; |
| 2559 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2560 | init_fw_cb->iscsi_opts |= |
| 2561 | cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); |
| 2562 | else |
| 2563 | init_fw_cb->iscsi_opts &= |
| 2564 | cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); |
| 2565 | break; |
| 2566 | case ISCSI_IFACE_PARAM_ERL: |
| 2567 | if (iface_param->iface_num & 0x1) |
| 2568 | break; |
| 2569 | init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); |
| 2570 | init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & |
| 2571 | ISCSIOPTS_ERL); |
| 2572 | break; |
| 2573 | case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: |
| 2574 | if (iface_param->iface_num & 0x1) |
| 2575 | break; |
| 2576 | init_fw_cb->iscsi_max_pdu_size = |
| 2577 | cpu_to_le32(*(uint32_t *)iface_param->value) / |
| 2578 | BYTE_UNITS; |
| 2579 | break; |
| 2580 | case ISCSI_IFACE_PARAM_FIRST_BURST: |
| 2581 | if (iface_param->iface_num & 0x1) |
| 2582 | break; |
| 2583 | init_fw_cb->iscsi_fburst_len = |
| 2584 | cpu_to_le32(*(uint32_t *)iface_param->value) / |
| 2585 | BYTE_UNITS; |
| 2586 | break; |
| 2587 | case ISCSI_IFACE_PARAM_MAX_R2T: |
| 2588 | if (iface_param->iface_num & 0x1) |
| 2589 | break; |
| 2590 | init_fw_cb->iscsi_max_outstnd_r2t = |
| 2591 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 2592 | break; |
| 2593 | case ISCSI_IFACE_PARAM_MAX_BURST: |
| 2594 | if (iface_param->iface_num & 0x1) |
| 2595 | break; |
| 2596 | init_fw_cb->iscsi_max_burst_len = |
| 2597 | cpu_to_le32(*(uint32_t *)iface_param->value) / |
| 2598 | BYTE_UNITS; |
| 2599 | break; |
| 2600 | case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: |
| 2601 | if (iface_param->iface_num & 0x1) |
| 2602 | break; |
| 2603 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2604 | init_fw_cb->iscsi_opts |= |
| 2605 | cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); |
| 2606 | else |
| 2607 | init_fw_cb->iscsi_opts &= |
| 2608 | cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); |
| 2609 | break; |
| 2610 | case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: |
| 2611 | if (iface_param->iface_num & 0x1) |
| 2612 | break; |
| 2613 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2614 | init_fw_cb->iscsi_opts |= |
| 2615 | cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); |
| 2616 | else |
| 2617 | init_fw_cb->iscsi_opts &= |
| 2618 | cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); |
| 2619 | break; |
| 2620 | case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: |
| 2621 | if (iface_param->iface_num & 0x1) |
| 2622 | break; |
| 2623 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2624 | init_fw_cb->iscsi_opts |= |
| 2625 | cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); |
| 2626 | else |
| 2627 | init_fw_cb->iscsi_opts &= |
| 2628 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); |
| 2629 | break; |
| 2630 | case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: |
| 2631 | if (iface_param->iface_num & 0x1) |
| 2632 | break; |
| 2633 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2634 | init_fw_cb->iscsi_opts |= |
| 2635 | cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); |
| 2636 | else |
| 2637 | init_fw_cb->iscsi_opts &= |
| 2638 | cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); |
| 2639 | break; |
| 2640 | case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: |
| 2641 | if (iface_param->iface_num & 0x1) |
| 2642 | break; |
| 2643 | if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) |
| 2644 | init_fw_cb->iscsi_opts |= |
| 2645 | cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); |
| 2646 | else |
| 2647 | init_fw_cb->iscsi_opts &= |
| 2648 | cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); |
| 2649 | break; |
| 2650 | default: |
| 2651 | ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", |
| 2652 | iface_param->param); |
| 2653 | break; |
| 2654 | } |
| 2655 | } |
| 2656 | |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2657 | static void |
| 2658 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) |
| 2659 | { |
| 2660 | struct addr_ctrl_blk_def *acb; |
| 2661 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; |
| 2662 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); |
| 2663 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); |
| 2664 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); |
| 2665 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); |
| 2666 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); |
| 2667 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); |
| 2668 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); |
| 2669 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); |
| 2670 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); |
| 2671 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); |
| 2672 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); |
| 2673 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); |
| 2674 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); |
| 2675 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); |
| 2676 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); |
| 2677 | } |
| 2678 | |
| 2679 | static int |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 2680 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2681 | { |
| 2682 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 2683 | int rval = 0; |
| 2684 | struct iscsi_iface_param_info *iface_param = NULL; |
| 2685 | struct addr_ctrl_blk *init_fw_cb = NULL; |
| 2686 | dma_addr_t init_fw_cb_dma; |
| 2687 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 2688 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 2689 | uint32_t rem = len; |
| 2690 | struct nlattr *attr; |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2691 | |
| 2692 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, |
| 2693 | sizeof(struct addr_ctrl_blk), |
| 2694 | &init_fw_cb_dma, GFP_KERNEL); |
| 2695 | if (!init_fw_cb) { |
| 2696 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", |
| 2697 | __func__); |
| 2698 | return -ENOMEM; |
| 2699 | } |
| 2700 | |
| 2701 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); |
| 2702 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 2703 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
| 2704 | |
| 2705 | if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { |
| 2706 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); |
| 2707 | rval = -EIO; |
| 2708 | goto exit_init_fw_cb; |
| 2709 | } |
| 2710 | |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 2711 | nla_for_each_attr(attr, data, len, rem) { |
| 2712 | iface_param = nla_data(attr); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2713 | |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2714 | if (iface_param->param_type == ISCSI_NET_PARAM) { |
| 2715 | switch (iface_param->iface_type) { |
| 2716 | case ISCSI_IFACE_TYPE_IPV4: |
| 2717 | switch (iface_param->iface_num) { |
| 2718 | case 0: |
| 2719 | qla4xxx_set_ipv4(ha, iface_param, |
| 2720 | init_fw_cb); |
| 2721 | break; |
| 2722 | default: |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2723 | /* Cannot have more than one IPv4 interface */ |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2724 | ql4_printk(KERN_ERR, ha, |
| 2725 | "Invalid IPv4 iface number = %d\n", |
| 2726 | iface_param->iface_num); |
| 2727 | break; |
| 2728 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2729 | break; |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2730 | case ISCSI_IFACE_TYPE_IPV6: |
| 2731 | switch (iface_param->iface_num) { |
| 2732 | case 0: |
| 2733 | case 1: |
| 2734 | qla4xxx_set_ipv6(ha, iface_param, |
| 2735 | init_fw_cb); |
| 2736 | break; |
| 2737 | default: |
| 2738 | /* Cannot have more than two IPv6 interface */ |
| 2739 | ql4_printk(KERN_ERR, ha, |
| 2740 | "Invalid IPv6 iface number = %d\n", |
| 2741 | iface_param->iface_num); |
| 2742 | break; |
| 2743 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2744 | break; |
| 2745 | default: |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2746 | ql4_printk(KERN_ERR, ha, |
| 2747 | "Invalid iface type\n"); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2748 | break; |
| 2749 | } |
Harish Zunjarrao | f8e9341 | 2013-10-18 09:01:42 -0400 | [diff] [blame] | 2750 | } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { |
| 2751 | qla4xxx_set_iscsi_param(ha, iface_param, |
| 2752 | init_fw_cb); |
| 2753 | } else { |
| 2754 | continue; |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2755 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2756 | } |
| 2757 | |
| 2758 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); |
| 2759 | |
| 2760 | rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, |
| 2761 | sizeof(struct addr_ctrl_blk), |
| 2762 | FLASH_OPT_RMW_COMMIT); |
| 2763 | if (rval != QLA_SUCCESS) { |
| 2764 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", |
| 2765 | __func__); |
| 2766 | rval = -EIO; |
| 2767 | goto exit_init_fw_cb; |
| 2768 | } |
| 2769 | |
Vikas Chaudhary | ce505f9 | 2011-12-01 22:42:10 -0800 | [diff] [blame] | 2770 | rval = qla4xxx_disable_acb(ha); |
| 2771 | if (rval != QLA_SUCCESS) { |
| 2772 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", |
| 2773 | __func__); |
| 2774 | rval = -EIO; |
| 2775 | goto exit_init_fw_cb; |
| 2776 | } |
| 2777 | |
| 2778 | wait_for_completion_timeout(&ha->disable_acb_comp, |
| 2779 | DISABLE_ACB_TOV * HZ); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 2780 | |
| 2781 | qla4xxx_initcb_to_acb(init_fw_cb); |
| 2782 | |
| 2783 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); |
| 2784 | if (rval != QLA_SUCCESS) { |
| 2785 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", |
| 2786 | __func__); |
| 2787 | rval = -EIO; |
| 2788 | goto exit_init_fw_cb; |
| 2789 | } |
| 2790 | |
| 2791 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); |
| 2792 | qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, |
| 2793 | init_fw_cb_dma); |
| 2794 | |
| 2795 | exit_init_fw_cb: |
| 2796 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), |
| 2797 | init_fw_cb, init_fw_cb_dma); |
| 2798 | |
| 2799 | return rval; |
| 2800 | } |
| 2801 | |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 2802 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
| 2803 | enum iscsi_param param, char *buf) |
| 2804 | { |
| 2805 | struct iscsi_session *sess = cls_sess->dd_data; |
| 2806 | struct ddb_entry *ddb_entry = sess->dd_data; |
| 2807 | struct scsi_qla_host *ha = ddb_entry->ha; |
Adheer Chandravanshi | 97c2730 | 2013-09-17 07:54:50 -0400 | [diff] [blame] | 2808 | struct iscsi_cls_conn *cls_conn = ddb_entry->conn; |
| 2809 | struct ql4_chap_table chap_tbl; |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 2810 | int rval, len; |
| 2811 | uint16_t idx; |
| 2812 | |
Adheer Chandravanshi | 97c2730 | 2013-09-17 07:54:50 -0400 | [diff] [blame] | 2813 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 2814 | switch (param) { |
| 2815 | case ISCSI_PARAM_CHAP_IN_IDX: |
| 2816 | rval = qla4xxx_get_chap_index(ha, sess->username_in, |
| 2817 | sess->password_in, BIDI_CHAP, |
| 2818 | &idx); |
| 2819 | if (rval) |
Manish Rangankar | c7a5e0d | 2013-01-20 23:51:04 -0500 | [diff] [blame] | 2820 | len = sprintf(buf, "\n"); |
| 2821 | else |
| 2822 | len = sprintf(buf, "%hu\n", idx); |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 2823 | break; |
| 2824 | case ISCSI_PARAM_CHAP_OUT_IDX: |
Adheer Chandravanshi | 97c2730 | 2013-09-17 07:54:50 -0400 | [diff] [blame] | 2825 | if (ddb_entry->ddb_type == FLASH_DDB) { |
| 2826 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { |
| 2827 | idx = ddb_entry->chap_tbl_idx; |
| 2828 | rval = QLA_SUCCESS; |
| 2829 | } else { |
| 2830 | rval = QLA_ERROR; |
| 2831 | } |
| 2832 | } else { |
| 2833 | rval = qla4xxx_get_chap_index(ha, sess->username, |
| 2834 | sess->password, |
| 2835 | LOCAL_CHAP, &idx); |
| 2836 | } |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 2837 | if (rval) |
Manish Rangankar | c7a5e0d | 2013-01-20 23:51:04 -0500 | [diff] [blame] | 2838 | len = sprintf(buf, "\n"); |
| 2839 | else |
| 2840 | len = sprintf(buf, "%hu\n", idx); |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 2841 | break; |
Adheer Chandravanshi | 97c2730 | 2013-09-17 07:54:50 -0400 | [diff] [blame] | 2842 | case ISCSI_PARAM_USERNAME: |
| 2843 | case ISCSI_PARAM_PASSWORD: |
| 2844 | /* First, populate session username and password for FLASH DDB, |
| 2845 | * if not already done. This happens when session login fails |
| 2846 | * for a FLASH DDB. |
| 2847 | */ |
| 2848 | if (ddb_entry->ddb_type == FLASH_DDB && |
| 2849 | ddb_entry->chap_tbl_idx != INVALID_ENTRY && |
| 2850 | !sess->username && !sess->password) { |
| 2851 | idx = ddb_entry->chap_tbl_idx; |
| 2852 | rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, |
| 2853 | chap_tbl.secret, |
| 2854 | idx); |
| 2855 | if (!rval) { |
| 2856 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, |
| 2857 | (char *)chap_tbl.name, |
| 2858 | strlen((char *)chap_tbl.name)); |
| 2859 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, |
| 2860 | (char *)chap_tbl.secret, |
| 2861 | chap_tbl.secret_len); |
| 2862 | } |
| 2863 | } |
| 2864 | /* allow fall-through */ |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 2865 | default: |
| 2866 | return iscsi_session_get_param(cls_sess, param, buf); |
| 2867 | } |
| 2868 | |
| 2869 | return len; |
| 2870 | } |
| 2871 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2872 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2873 | enum iscsi_param param, char *buf) |
| 2874 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2875 | struct iscsi_conn *conn; |
| 2876 | struct qla_conn *qla_conn; |
| 2877 | struct sockaddr *dst_addr; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2878 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2879 | conn = cls_conn->dd_data; |
| 2880 | qla_conn = conn->dd_data; |
Manish Rangankar | d46bdeb1 | 2012-08-07 07:57:13 -0400 | [diff] [blame] | 2881 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2882 | |
| 2883 | switch (param) { |
| 2884 | case ISCSI_PARAM_CONN_PORT: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2885 | case ISCSI_PARAM_CONN_ADDRESS: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2886 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
| 2887 | dst_addr, param, buf); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2888 | default: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2889 | return iscsi_conn_get_param(cls_conn, param, buf); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2890 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2891 | } |
| 2892 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2893 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
| 2894 | { |
| 2895 | uint32_t mbx_sts = 0; |
| 2896 | uint16_t tmp_ddb_index; |
| 2897 | int ret; |
| 2898 | |
| 2899 | get_ddb_index: |
| 2900 | tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); |
| 2901 | |
| 2902 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { |
| 2903 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 2904 | "Free DDB index not available\n")); |
| 2905 | ret = QLA_ERROR; |
| 2906 | goto exit_get_ddb_index; |
| 2907 | } |
| 2908 | |
| 2909 | if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) |
| 2910 | goto get_ddb_index; |
| 2911 | |
| 2912 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 2913 | "Found a free DDB index at %d\n", tmp_ddb_index)); |
| 2914 | ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); |
| 2915 | if (ret == QLA_ERROR) { |
| 2916 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { |
| 2917 | ql4_printk(KERN_INFO, ha, |
| 2918 | "DDB index = %d not available trying next\n", |
| 2919 | tmp_ddb_index); |
| 2920 | goto get_ddb_index; |
| 2921 | } |
| 2922 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 2923 | "Free FW DDB not available\n")); |
| 2924 | } |
| 2925 | |
| 2926 | *ddb_index = tmp_ddb_index; |
| 2927 | |
| 2928 | exit_get_ddb_index: |
| 2929 | return ret; |
| 2930 | } |
| 2931 | |
| 2932 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, |
| 2933 | struct ddb_entry *ddb_entry, |
| 2934 | char *existing_ipaddr, |
| 2935 | char *user_ipaddr) |
| 2936 | { |
| 2937 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; |
| 2938 | char formatted_ipaddr[DDB_IPADDR_LEN]; |
| 2939 | int status = QLA_SUCCESS, ret = 0; |
| 2940 | |
| 2941 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { |
| 2942 | ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, |
| 2943 | '\0', NULL); |
| 2944 | if (ret == 0) { |
| 2945 | status = QLA_ERROR; |
| 2946 | goto out_match; |
| 2947 | } |
| 2948 | ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); |
| 2949 | } else { |
| 2950 | ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, |
| 2951 | '\0', NULL); |
| 2952 | if (ret == 0) { |
| 2953 | status = QLA_ERROR; |
| 2954 | goto out_match; |
| 2955 | } |
| 2956 | ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); |
| 2957 | } |
| 2958 | |
| 2959 | if (strcmp(existing_ipaddr, formatted_ipaddr)) |
| 2960 | status = QLA_ERROR; |
| 2961 | |
| 2962 | out_match: |
| 2963 | return status; |
| 2964 | } |
| 2965 | |
| 2966 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, |
| 2967 | struct iscsi_cls_conn *cls_conn) |
| 2968 | { |
| 2969 | int idx = 0, max_ddbs, rval; |
| 2970 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
| 2971 | struct iscsi_session *sess, *existing_sess; |
| 2972 | struct iscsi_conn *conn, *existing_conn; |
| 2973 | struct ddb_entry *ddb_entry; |
| 2974 | |
| 2975 | sess = cls_sess->dd_data; |
| 2976 | conn = cls_conn->dd_data; |
| 2977 | |
| 2978 | if (sess->targetname == NULL || |
| 2979 | conn->persistent_address == NULL || |
| 2980 | conn->persistent_port == 0) |
| 2981 | return QLA_ERROR; |
| 2982 | |
| 2983 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 2984 | MAX_DEV_DB_ENTRIES; |
| 2985 | |
| 2986 | for (idx = 0; idx < max_ddbs; idx++) { |
| 2987 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 2988 | if (ddb_entry == NULL) |
| 2989 | continue; |
| 2990 | |
| 2991 | if (ddb_entry->ddb_type != FLASH_DDB) |
| 2992 | continue; |
| 2993 | |
| 2994 | existing_sess = ddb_entry->sess->dd_data; |
| 2995 | existing_conn = ddb_entry->conn->dd_data; |
| 2996 | |
| 2997 | if (existing_sess->targetname == NULL || |
| 2998 | existing_conn->persistent_address == NULL || |
| 2999 | existing_conn->persistent_port == 0) |
| 3000 | continue; |
| 3001 | |
| 3002 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3003 | "IQN = %s User IQN = %s\n", |
| 3004 | existing_sess->targetname, |
| 3005 | sess->targetname)); |
| 3006 | |
| 3007 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3008 | "IP = %s User IP = %s\n", |
| 3009 | existing_conn->persistent_address, |
| 3010 | conn->persistent_address)); |
| 3011 | |
| 3012 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3013 | "Port = %d User Port = %d\n", |
| 3014 | existing_conn->persistent_port, |
| 3015 | conn->persistent_port)); |
| 3016 | |
| 3017 | if (strcmp(existing_sess->targetname, sess->targetname)) |
| 3018 | continue; |
| 3019 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, |
| 3020 | existing_conn->persistent_address, |
| 3021 | conn->persistent_address); |
| 3022 | if (rval == QLA_ERROR) |
| 3023 | continue; |
| 3024 | if (existing_conn->persistent_port != conn->persistent_port) |
| 3025 | continue; |
| 3026 | break; |
| 3027 | } |
| 3028 | |
| 3029 | if (idx == max_ddbs) |
| 3030 | return QLA_ERROR; |
| 3031 | |
| 3032 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3033 | "Match found in fwdb sessions\n")); |
| 3034 | return QLA_SUCCESS; |
| 3035 | } |
| 3036 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3037 | static struct iscsi_cls_session * |
| 3038 | qla4xxx_session_create(struct iscsi_endpoint *ep, |
| 3039 | uint16_t cmds_max, uint16_t qdepth, |
| 3040 | uint32_t initial_cmdsn) |
| 3041 | { |
| 3042 | struct iscsi_cls_session *cls_sess; |
| 3043 | struct scsi_qla_host *ha; |
| 3044 | struct qla_endpoint *qla_ep; |
| 3045 | struct ddb_entry *ddb_entry; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3046 | uint16_t ddb_index; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3047 | struct iscsi_session *sess; |
| 3048 | struct sockaddr *dst_addr; |
| 3049 | int ret; |
| 3050 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3051 | if (!ep) { |
| 3052 | printk(KERN_ERR "qla4xxx: missing ep.\n"); |
| 3053 | return NULL; |
| 3054 | } |
| 3055 | |
| 3056 | qla_ep = ep->dd_data; |
| 3057 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; |
| 3058 | ha = to_qla_host(qla_ep->host); |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3059 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
| 3060 | ha->host_no)); |
Manish Rangankar | 736cf36 | 2011-10-07 16:55:46 -0700 | [diff] [blame] | 3061 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3062 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
| 3063 | if (ret == QLA_ERROR) |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3064 | return NULL; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3065 | |
| 3066 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, |
| 3067 | cmds_max, sizeof(struct ddb_entry), |
| 3068 | sizeof(struct ql4_task_data), |
| 3069 | initial_cmdsn, ddb_index); |
| 3070 | if (!cls_sess) |
| 3071 | return NULL; |
| 3072 | |
| 3073 | sess = cls_sess->dd_data; |
| 3074 | ddb_entry = sess->dd_data; |
| 3075 | ddb_entry->fw_ddb_index = ddb_index; |
| 3076 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; |
| 3077 | ddb_entry->ha = ha; |
| 3078 | ddb_entry->sess = cls_sess; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3079 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
| 3080 | ddb_entry->ddb_change = qla4xxx_ddb_change; |
Nilesh Javali | de2efea | 2013-12-16 06:49:40 -0500 | [diff] [blame] | 3081 | clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3082 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
| 3083 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; |
| 3084 | ha->tot_ddbs++; |
| 3085 | |
| 3086 | return cls_sess; |
| 3087 | } |
| 3088 | |
| 3089 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) |
| 3090 | { |
| 3091 | struct iscsi_session *sess; |
| 3092 | struct ddb_entry *ddb_entry; |
| 3093 | struct scsi_qla_host *ha; |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 3094 | unsigned long flags, wtime; |
| 3095 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 3096 | dma_addr_t fw_ddb_entry_dma; |
| 3097 | uint32_t ddb_state; |
| 3098 | int ret; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3099 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3100 | sess = cls_sess->dd_data; |
| 3101 | ddb_entry = sess->dd_data; |
| 3102 | ha = ddb_entry->ha; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3103 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, |
| 3104 | ha->host_no)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3105 | |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 3106 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3107 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 3108 | if (!fw_ddb_entry) { |
| 3109 | ql4_printk(KERN_ERR, ha, |
| 3110 | "%s: Unable to allocate dma buffer\n", __func__); |
| 3111 | goto destroy_session; |
| 3112 | } |
| 3113 | |
| 3114 | wtime = jiffies + (HZ * LOGOUT_TOV); |
| 3115 | do { |
| 3116 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, |
| 3117 | fw_ddb_entry, fw_ddb_entry_dma, |
| 3118 | NULL, NULL, &ddb_state, NULL, |
| 3119 | NULL, NULL); |
| 3120 | if (ret == QLA_ERROR) |
| 3121 | goto destroy_session; |
| 3122 | |
| 3123 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
| 3124 | (ddb_state == DDB_DS_SESSION_FAILED)) |
| 3125 | goto destroy_session; |
| 3126 | |
| 3127 | schedule_timeout_uninterruptible(HZ); |
| 3128 | } while ((time_after(wtime, jiffies))); |
| 3129 | |
| 3130 | destroy_session: |
Manish Rangankar | 736cf36 | 2011-10-07 16:55:46 -0700 | [diff] [blame] | 3131 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
Nilesh Javali | de2efea | 2013-12-16 06:49:40 -0500 | [diff] [blame] | 3132 | if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) |
| 3133 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3134 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3135 | qla4xxx_free_ddb(ha, ddb_entry); |
| 3136 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 3137 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3138 | iscsi_session_teardown(cls_sess); |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 3139 | |
| 3140 | if (fw_ddb_entry) |
| 3141 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3142 | fw_ddb_entry, fw_ddb_entry_dma); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3143 | } |
| 3144 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3145 | static struct iscsi_cls_conn * |
| 3146 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) |
| 3147 | { |
| 3148 | struct iscsi_cls_conn *cls_conn; |
| 3149 | struct iscsi_session *sess; |
| 3150 | struct ddb_entry *ddb_entry; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3151 | struct scsi_qla_host *ha; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3152 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3153 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), |
| 3154 | conn_idx); |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3155 | if (!cls_conn) { |
| 3156 | pr_info("%s: Can not create connection for conn_idx = %u\n", |
| 3157 | __func__, conn_idx); |
Mike Christie | ff1d031 | 2011-12-01 21:38:43 -0600 | [diff] [blame] | 3158 | return NULL; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3159 | } |
Mike Christie | ff1d031 | 2011-12-01 21:38:43 -0600 | [diff] [blame] | 3160 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3161 | sess = cls_sess->dd_data; |
| 3162 | ddb_entry = sess->dd_data; |
| 3163 | ddb_entry->conn = cls_conn; |
| 3164 | |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3165 | ha = ddb_entry->ha; |
| 3166 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, |
| 3167 | conn_idx)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3168 | return cls_conn; |
| 3169 | } |
| 3170 | |
| 3171 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, |
| 3172 | struct iscsi_cls_conn *cls_conn, |
| 3173 | uint64_t transport_fd, int is_leading) |
| 3174 | { |
| 3175 | struct iscsi_conn *conn; |
| 3176 | struct qla_conn *qla_conn; |
| 3177 | struct iscsi_endpoint *ep; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3178 | struct ddb_entry *ddb_entry; |
| 3179 | struct scsi_qla_host *ha; |
| 3180 | struct iscsi_session *sess; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3181 | |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3182 | sess = cls_session->dd_data; |
| 3183 | ddb_entry = sess->dd_data; |
| 3184 | ha = ddb_entry->ha; |
| 3185 | |
| 3186 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, |
| 3187 | cls_session->sid, cls_conn->cid)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3188 | |
| 3189 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) |
| 3190 | return -EINVAL; |
| 3191 | ep = iscsi_lookup_endpoint(transport_fd); |
| 3192 | conn = cls_conn->dd_data; |
| 3193 | qla_conn = conn->dd_data; |
| 3194 | qla_conn->qla_ep = ep->dd_data; |
| 3195 | return 0; |
| 3196 | } |
| 3197 | |
| 3198 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) |
| 3199 | { |
| 3200 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
| 3201 | struct iscsi_session *sess; |
| 3202 | struct ddb_entry *ddb_entry; |
| 3203 | struct scsi_qla_host *ha; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3204 | struct dev_db_entry *fw_ddb_entry = NULL; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3205 | dma_addr_t fw_ddb_entry_dma; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3206 | uint32_t mbx_sts = 0; |
| 3207 | int ret = 0; |
| 3208 | int status = QLA_SUCCESS; |
| 3209 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3210 | sess = cls_sess->dd_data; |
| 3211 | ddb_entry = sess->dd_data; |
| 3212 | ha = ddb_entry->ha; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3213 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, |
| 3214 | cls_sess->sid, cls_conn->cid)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3215 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3216 | /* Check if we have matching FW DDB, if yes then do not |
| 3217 | * login to this target. This could cause target to logout previous |
| 3218 | * connection |
| 3219 | */ |
| 3220 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); |
| 3221 | if (ret == QLA_SUCCESS) { |
| 3222 | ql4_printk(KERN_INFO, ha, |
| 3223 | "Session already exist in FW.\n"); |
| 3224 | ret = -EEXIST; |
| 3225 | goto exit_conn_start; |
| 3226 | } |
| 3227 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3228 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3229 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 3230 | if (!fw_ddb_entry) { |
| 3231 | ql4_printk(KERN_ERR, ha, |
| 3232 | "%s: Unable to allocate dma buffer\n", __func__); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3233 | ret = -ENOMEM; |
| 3234 | goto exit_conn_start; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3235 | } |
| 3236 | |
| 3237 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); |
| 3238 | if (ret) { |
| 3239 | /* If iscsid is stopped and started then no need to do |
| 3240 | * set param again since ddb state will be already |
| 3241 | * active and FW does not allow set ddb to an |
| 3242 | * active session. |
| 3243 | */ |
| 3244 | if (mbx_sts) |
| 3245 | if (ddb_entry->fw_ddb_device_state == |
Manish Rangankar | f922da7 | 2011-10-07 16:55:49 -0700 | [diff] [blame] | 3246 | DDB_DS_SESSION_ACTIVE) { |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3247 | ddb_entry->unblock_sess(ddb_entry->sess); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3248 | goto exit_set_param; |
Manish Rangankar | f922da7 | 2011-10-07 16:55:49 -0700 | [diff] [blame] | 3249 | } |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3250 | |
| 3251 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", |
| 3252 | __func__, ddb_entry->fw_ddb_index); |
| 3253 | goto exit_conn_start; |
| 3254 | } |
| 3255 | |
| 3256 | status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); |
| 3257 | if (status == QLA_ERROR) { |
Manish Rangankar | 0e7e850 | 2011-07-25 13:48:54 -0500 | [diff] [blame] | 3258 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
| 3259 | sess->targetname); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3260 | ret = -EINVAL; |
| 3261 | goto exit_conn_start; |
| 3262 | } |
| 3263 | |
Manish Rangankar | 98270ab | 2011-10-07 16:55:47 -0700 | [diff] [blame] | 3264 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
| 3265 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; |
| 3266 | |
| 3267 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, |
| 3268 | ddb_entry->fw_ddb_device_state)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3269 | |
| 3270 | exit_set_param: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3271 | ret = 0; |
| 3272 | |
| 3273 | exit_conn_start: |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3274 | if (fw_ddb_entry) |
| 3275 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3276 | fw_ddb_entry, fw_ddb_entry_dma); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3277 | return ret; |
| 3278 | } |
| 3279 | |
| 3280 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) |
| 3281 | { |
| 3282 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
| 3283 | struct iscsi_session *sess; |
| 3284 | struct scsi_qla_host *ha; |
| 3285 | struct ddb_entry *ddb_entry; |
| 3286 | int options; |
| 3287 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3288 | sess = cls_sess->dd_data; |
| 3289 | ddb_entry = sess->dd_data; |
| 3290 | ha = ddb_entry->ha; |
Vikas Chaudhary | c343c5e | 2013-12-16 06:49:48 -0500 | [diff] [blame] | 3291 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, |
| 3292 | cls_conn->cid)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3293 | |
| 3294 | options = LOGOUT_OPTION_CLOSE_SESSION; |
| 3295 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) |
| 3296 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3297 | } |
| 3298 | |
| 3299 | static void qla4xxx_task_work(struct work_struct *wdata) |
| 3300 | { |
| 3301 | struct ql4_task_data *task_data; |
| 3302 | struct scsi_qla_host *ha; |
| 3303 | struct passthru_status *sts; |
| 3304 | struct iscsi_task *task; |
| 3305 | struct iscsi_hdr *hdr; |
| 3306 | uint8_t *data; |
| 3307 | uint32_t data_len; |
| 3308 | struct iscsi_conn *conn; |
| 3309 | int hdr_len; |
| 3310 | itt_t itt; |
| 3311 | |
| 3312 | task_data = container_of(wdata, struct ql4_task_data, task_work); |
| 3313 | ha = task_data->ha; |
| 3314 | task = task_data->task; |
| 3315 | sts = &task_data->sts; |
| 3316 | hdr_len = sizeof(struct iscsi_hdr); |
| 3317 | |
| 3318 | DEBUG3(printk(KERN_INFO "Status returned\n")); |
| 3319 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); |
| 3320 | DEBUG3(printk(KERN_INFO "Response buffer")); |
| 3321 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); |
| 3322 | |
| 3323 | conn = task->conn; |
| 3324 | |
| 3325 | switch (sts->completionStatus) { |
| 3326 | case PASSTHRU_STATUS_COMPLETE: |
| 3327 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; |
| 3328 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ |
| 3329 | itt = sts->handle; |
| 3330 | hdr->itt = itt; |
| 3331 | data = task_data->resp_buffer + hdr_len; |
| 3332 | data_len = task_data->resp_len - hdr_len; |
| 3333 | iscsi_complete_pdu(conn, hdr, data, data_len); |
| 3334 | break; |
| 3335 | default: |
| 3336 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", |
| 3337 | sts->completionStatus); |
| 3338 | break; |
| 3339 | } |
| 3340 | return; |
| 3341 | } |
| 3342 | |
| 3343 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) |
| 3344 | { |
| 3345 | struct ql4_task_data *task_data; |
| 3346 | struct iscsi_session *sess; |
| 3347 | struct ddb_entry *ddb_entry; |
| 3348 | struct scsi_qla_host *ha; |
| 3349 | int hdr_len; |
| 3350 | |
| 3351 | sess = task->conn->session; |
| 3352 | ddb_entry = sess->dd_data; |
| 3353 | ha = ddb_entry->ha; |
| 3354 | task_data = task->dd_data; |
| 3355 | memset(task_data, 0, sizeof(struct ql4_task_data)); |
| 3356 | |
| 3357 | if (task->sc) { |
| 3358 | ql4_printk(KERN_INFO, ha, |
| 3359 | "%s: SCSI Commands not implemented\n", __func__); |
| 3360 | return -EINVAL; |
| 3361 | } |
| 3362 | |
| 3363 | hdr_len = sizeof(struct iscsi_hdr); |
| 3364 | task_data->ha = ha; |
| 3365 | task_data->task = task; |
| 3366 | |
| 3367 | if (task->data_count) { |
| 3368 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, |
| 3369 | task->data_count, |
| 3370 | PCI_DMA_TODEVICE); |
| 3371 | } |
| 3372 | |
| 3373 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", |
| 3374 | __func__, task->conn->max_recv_dlength, hdr_len)); |
| 3375 | |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 3376 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3377 | task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, |
| 3378 | task_data->resp_len, |
| 3379 | &task_data->resp_dma, |
| 3380 | GFP_ATOMIC); |
| 3381 | if (!task_data->resp_buffer) |
| 3382 | goto exit_alloc_pdu; |
| 3383 | |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 3384 | task_data->req_len = task->data_count + hdr_len; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3385 | task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 3386 | task_data->req_len, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3387 | &task_data->req_dma, |
| 3388 | GFP_ATOMIC); |
| 3389 | if (!task_data->req_buffer) |
| 3390 | goto exit_alloc_pdu; |
| 3391 | |
| 3392 | task->hdr = task_data->req_buffer; |
| 3393 | |
| 3394 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); |
| 3395 | |
| 3396 | return 0; |
| 3397 | |
| 3398 | exit_alloc_pdu: |
| 3399 | if (task_data->resp_buffer) |
| 3400 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, |
| 3401 | task_data->resp_buffer, task_data->resp_dma); |
| 3402 | |
| 3403 | if (task_data->req_buffer) |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 3404 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3405 | task_data->req_buffer, task_data->req_dma); |
| 3406 | return -ENOMEM; |
| 3407 | } |
| 3408 | |
| 3409 | static void qla4xxx_task_cleanup(struct iscsi_task *task) |
| 3410 | { |
| 3411 | struct ql4_task_data *task_data; |
| 3412 | struct iscsi_session *sess; |
| 3413 | struct ddb_entry *ddb_entry; |
| 3414 | struct scsi_qla_host *ha; |
| 3415 | int hdr_len; |
| 3416 | |
| 3417 | hdr_len = sizeof(struct iscsi_hdr); |
| 3418 | sess = task->conn->session; |
| 3419 | ddb_entry = sess->dd_data; |
| 3420 | ha = ddb_entry->ha; |
| 3421 | task_data = task->dd_data; |
| 3422 | |
| 3423 | if (task->data_count) { |
| 3424 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, |
| 3425 | task->data_count, PCI_DMA_TODEVICE); |
| 3426 | } |
| 3427 | |
| 3428 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", |
| 3429 | __func__, task->conn->max_recv_dlength, hdr_len)); |
| 3430 | |
| 3431 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, |
| 3432 | task_data->resp_buffer, task_data->resp_dma); |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 3433 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3434 | task_data->req_buffer, task_data->req_dma); |
| 3435 | return; |
| 3436 | } |
| 3437 | |
| 3438 | static int qla4xxx_task_xmit(struct iscsi_task *task) |
| 3439 | { |
| 3440 | struct scsi_cmnd *sc = task->sc; |
| 3441 | struct iscsi_session *sess = task->conn->session; |
| 3442 | struct ddb_entry *ddb_entry = sess->dd_data; |
| 3443 | struct scsi_qla_host *ha = ddb_entry->ha; |
| 3444 | |
| 3445 | if (!sc) |
| 3446 | return qla4xxx_send_passthru0(task); |
| 3447 | |
| 3448 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", |
| 3449 | __func__); |
| 3450 | return -ENOSYS; |
| 3451 | } |
| 3452 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3453 | static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, |
| 3454 | struct iscsi_bus_flash_conn *conn, |
| 3455 | struct dev_db_entry *fw_ddb_entry) |
| 3456 | { |
| 3457 | unsigned long options = 0; |
| 3458 | int rc = 0; |
| 3459 | |
| 3460 | options = le16_to_cpu(fw_ddb_entry->options); |
| 3461 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); |
| 3462 | if (test_bit(OPT_IPV6_DEVICE, &options)) { |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 3463 | rc = iscsi_switch_str_param(&sess->portal_type, |
| 3464 | PORTAL_TYPE_IPV6); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3465 | if (rc) |
| 3466 | goto exit_copy; |
| 3467 | } else { |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 3468 | rc = iscsi_switch_str_param(&sess->portal_type, |
| 3469 | PORTAL_TYPE_IPV4); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3470 | if (rc) |
| 3471 | goto exit_copy; |
| 3472 | } |
| 3473 | |
| 3474 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, |
| 3475 | &options); |
| 3476 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); |
| 3477 | sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); |
| 3478 | |
| 3479 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
| 3480 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); |
| 3481 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); |
| 3482 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); |
| 3483 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); |
| 3484 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, |
| 3485 | &options); |
| 3486 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); |
| 3487 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); |
| 3488 | conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); |
| 3489 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, |
| 3490 | &options); |
| 3491 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); |
| 3492 | sess->discovery_auth_optional = |
| 3493 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); |
| 3494 | if (test_bit(ISCSIOPT_ERL1, &options)) |
| 3495 | sess->erl |= BIT_1; |
| 3496 | if (test_bit(ISCSIOPT_ERL0, &options)) |
| 3497 | sess->erl |= BIT_0; |
| 3498 | |
| 3499 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
| 3500 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); |
| 3501 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); |
| 3502 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); |
| 3503 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) |
| 3504 | conn->tcp_timer_scale |= BIT_3; |
| 3505 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) |
| 3506 | conn->tcp_timer_scale |= BIT_2; |
| 3507 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) |
| 3508 | conn->tcp_timer_scale |= BIT_1; |
| 3509 | |
| 3510 | conn->tcp_timer_scale >>= 1; |
| 3511 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); |
| 3512 | |
| 3513 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
| 3514 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); |
| 3515 | |
| 3516 | conn->max_recv_dlength = BYTE_UNITS * |
| 3517 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); |
| 3518 | conn->max_xmit_dlength = BYTE_UNITS * |
| 3519 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); |
| 3520 | sess->first_burst = BYTE_UNITS * |
| 3521 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); |
| 3522 | sess->max_burst = BYTE_UNITS * |
| 3523 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); |
| 3524 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); |
| 3525 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
| 3526 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); |
| 3527 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
| 3528 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); |
| 3529 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; |
| 3530 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; |
| 3531 | conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); |
| 3532 | conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); |
| 3533 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); |
| 3534 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); |
| 3535 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); |
| 3536 | sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 3537 | sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 3538 | sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
| 3539 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); |
| 3540 | |
| 3541 | sess->default_taskmgmt_timeout = |
| 3542 | le16_to_cpu(fw_ddb_entry->def_timeout); |
| 3543 | conn->port = le16_to_cpu(fw_ddb_entry->port); |
| 3544 | |
| 3545 | options = le16_to_cpu(fw_ddb_entry->options); |
| 3546 | conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); |
| 3547 | if (!conn->ipaddress) { |
| 3548 | rc = -ENOMEM; |
| 3549 | goto exit_copy; |
| 3550 | } |
| 3551 | |
| 3552 | conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); |
| 3553 | if (!conn->redirect_ipaddr) { |
| 3554 | rc = -ENOMEM; |
| 3555 | goto exit_copy; |
| 3556 | } |
| 3557 | |
| 3558 | memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); |
| 3559 | memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); |
| 3560 | |
| 3561 | if (test_bit(OPT_IPV6_DEVICE, &options)) { |
| 3562 | conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; |
| 3563 | |
Benoit Taine | 3d30b43 | 2014-05-26 17:21:13 +0200 | [diff] [blame] | 3564 | conn->link_local_ipv6_addr = kmemdup( |
| 3565 | fw_ddb_entry->link_local_ipv6_addr, |
| 3566 | IPv6_ADDR_LEN, GFP_KERNEL); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3567 | if (!conn->link_local_ipv6_addr) { |
| 3568 | rc = -ENOMEM; |
| 3569 | goto exit_copy; |
| 3570 | } |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3571 | } else { |
| 3572 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; |
| 3573 | } |
| 3574 | |
| 3575 | if (fw_ddb_entry->iscsi_name[0]) { |
| 3576 | rc = iscsi_switch_str_param(&sess->targetname, |
| 3577 | (char *)fw_ddb_entry->iscsi_name); |
| 3578 | if (rc) |
| 3579 | goto exit_copy; |
| 3580 | } |
| 3581 | |
| 3582 | if (fw_ddb_entry->iscsi_alias[0]) { |
| 3583 | rc = iscsi_switch_str_param(&sess->targetalias, |
| 3584 | (char *)fw_ddb_entry->iscsi_alias); |
| 3585 | if (rc) |
| 3586 | goto exit_copy; |
| 3587 | } |
| 3588 | |
| 3589 | COPY_ISID(sess->isid, fw_ddb_entry->isid); |
| 3590 | |
| 3591 | exit_copy: |
| 3592 | return rc; |
| 3593 | } |
| 3594 | |
| 3595 | static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, |
| 3596 | struct iscsi_bus_flash_conn *conn, |
| 3597 | struct dev_db_entry *fw_ddb_entry) |
| 3598 | { |
| 3599 | uint16_t options; |
| 3600 | int rc = 0; |
| 3601 | |
| 3602 | options = le16_to_cpu(fw_ddb_entry->options); |
| 3603 | SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 3604 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3605 | options |= BIT_8; |
| 3606 | else |
| 3607 | options &= ~BIT_8; |
| 3608 | |
| 3609 | SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); |
| 3610 | SET_BITVAL(sess->discovery_sess, options, BIT_4); |
| 3611 | SET_BITVAL(sess->entry_state, options, BIT_3); |
| 3612 | fw_ddb_entry->options = cpu_to_le16(options); |
| 3613 | |
| 3614 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
| 3615 | SET_BITVAL(conn->hdrdgst_en, options, BIT_13); |
| 3616 | SET_BITVAL(conn->datadgst_en, options, BIT_12); |
| 3617 | SET_BITVAL(sess->imm_data_en, options, BIT_11); |
| 3618 | SET_BITVAL(sess->initial_r2t_en, options, BIT_10); |
| 3619 | SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); |
| 3620 | SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); |
| 3621 | SET_BITVAL(sess->chap_auth_en, options, BIT_7); |
| 3622 | SET_BITVAL(conn->snack_req_en, options, BIT_6); |
| 3623 | SET_BITVAL(sess->discovery_logout_en, options, BIT_5); |
| 3624 | SET_BITVAL(sess->bidi_chap_en, options, BIT_4); |
| 3625 | SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); |
| 3626 | SET_BITVAL(sess->erl & BIT_1, options, BIT_1); |
| 3627 | SET_BITVAL(sess->erl & BIT_0, options, BIT_0); |
| 3628 | fw_ddb_entry->iscsi_options = cpu_to_le16(options); |
| 3629 | |
| 3630 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
| 3631 | SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); |
| 3632 | SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); |
| 3633 | SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); |
| 3634 | SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); |
| 3635 | SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); |
| 3636 | SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); |
| 3637 | SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); |
| 3638 | fw_ddb_entry->tcp_options = cpu_to_le16(options); |
| 3639 | |
| 3640 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
| 3641 | SET_BITVAL(conn->fragment_disable, options, BIT_4); |
| 3642 | fw_ddb_entry->ip_options = cpu_to_le16(options); |
| 3643 | |
| 3644 | fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); |
| 3645 | fw_ddb_entry->iscsi_max_rcv_data_seg_len = |
| 3646 | cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); |
| 3647 | fw_ddb_entry->iscsi_max_snd_data_seg_len = |
| 3648 | cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); |
| 3649 | fw_ddb_entry->iscsi_first_burst_len = |
| 3650 | cpu_to_le16(sess->first_burst / BYTE_UNITS); |
| 3651 | fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / |
| 3652 | BYTE_UNITS); |
| 3653 | fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); |
| 3654 | fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); |
| 3655 | fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); |
| 3656 | fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); |
Adheer Chandravanshi | fbcd483 | 2013-04-17 05:15:29 -0400 | [diff] [blame] | 3657 | fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); |
| 3658 | fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3659 | fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); |
| 3660 | fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); |
| 3661 | fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); |
Adheer Chandravanshi | fbcd483 | 2013-04-17 05:15:29 -0400 | [diff] [blame] | 3662 | fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); |
| 3663 | fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); |
Adheer Chandravanshi | 6556016 | 2013-07-08 08:33:06 -0400 | [diff] [blame] | 3664 | fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3665 | fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); |
| 3666 | fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); |
| 3667 | fw_ddb_entry->port = cpu_to_le16(conn->port); |
| 3668 | fw_ddb_entry->def_timeout = |
| 3669 | cpu_to_le16(sess->default_taskmgmt_timeout); |
| 3670 | |
Adheer Chandravanshi | 8459580 | 2013-07-08 08:33:07 -0400 | [diff] [blame] | 3671 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
| 3672 | fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; |
| 3673 | else |
| 3674 | fw_ddb_entry->ipv4_tos = conn->ipv4_tos; |
| 3675 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 3676 | if (conn->ipaddress) |
| 3677 | memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, |
| 3678 | sizeof(fw_ddb_entry->ip_addr)); |
| 3679 | |
| 3680 | if (conn->redirect_ipaddr) |
| 3681 | memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, |
| 3682 | sizeof(fw_ddb_entry->tgt_addr)); |
| 3683 | |
| 3684 | if (conn->link_local_ipv6_addr) |
| 3685 | memcpy(fw_ddb_entry->link_local_ipv6_addr, |
| 3686 | conn->link_local_ipv6_addr, |
| 3687 | sizeof(fw_ddb_entry->link_local_ipv6_addr)); |
| 3688 | |
| 3689 | if (sess->targetname) |
| 3690 | memcpy(fw_ddb_entry->iscsi_name, sess->targetname, |
| 3691 | sizeof(fw_ddb_entry->iscsi_name)); |
| 3692 | |
| 3693 | if (sess->targetalias) |
| 3694 | memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, |
| 3695 | sizeof(fw_ddb_entry->iscsi_alias)); |
| 3696 | |
| 3697 | COPY_ISID(fw_ddb_entry->isid, sess->isid); |
| 3698 | |
| 3699 | return rc; |
| 3700 | } |
| 3701 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3702 | static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, |
| 3703 | struct iscsi_session *sess, |
| 3704 | struct dev_db_entry *fw_ddb_entry) |
| 3705 | { |
| 3706 | unsigned long options = 0; |
| 3707 | uint16_t ddb_link; |
| 3708 | uint16_t disc_parent; |
Adheer Chandravanshi | fb734ee3 | 2013-11-22 05:28:22 -0500 | [diff] [blame] | 3709 | char ip_addr[DDB_IPADDR_LEN]; |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3710 | |
| 3711 | options = le16_to_cpu(fw_ddb_entry->options); |
| 3712 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); |
| 3713 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, |
| 3714 | &options); |
| 3715 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); |
| 3716 | |
| 3717 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
| 3718 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); |
| 3719 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); |
| 3720 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); |
| 3721 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); |
| 3722 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, |
| 3723 | &options); |
| 3724 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); |
| 3725 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); |
| 3726 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, |
| 3727 | &options); |
| 3728 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); |
| 3729 | sess->discovery_auth_optional = |
| 3730 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); |
| 3731 | if (test_bit(ISCSIOPT_ERL1, &options)) |
| 3732 | sess->erl |= BIT_1; |
| 3733 | if (test_bit(ISCSIOPT_ERL0, &options)) |
| 3734 | sess->erl |= BIT_0; |
| 3735 | |
| 3736 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
| 3737 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); |
| 3738 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); |
| 3739 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); |
| 3740 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) |
| 3741 | conn->tcp_timer_scale |= BIT_3; |
| 3742 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) |
| 3743 | conn->tcp_timer_scale |= BIT_2; |
| 3744 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) |
| 3745 | conn->tcp_timer_scale |= BIT_1; |
| 3746 | |
| 3747 | conn->tcp_timer_scale >>= 1; |
| 3748 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); |
| 3749 | |
| 3750 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
| 3751 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); |
| 3752 | |
| 3753 | conn->max_recv_dlength = BYTE_UNITS * |
| 3754 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); |
| 3755 | conn->max_xmit_dlength = BYTE_UNITS * |
| 3756 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); |
| 3757 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); |
| 3758 | sess->first_burst = BYTE_UNITS * |
| 3759 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); |
| 3760 | sess->max_burst = BYTE_UNITS * |
| 3761 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); |
| 3762 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
| 3763 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); |
| 3764 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
| 3765 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); |
| 3766 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; |
| 3767 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; |
| 3768 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; |
| 3769 | conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); |
| 3770 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); |
| 3771 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); |
| 3772 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); |
| 3773 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); |
| 3774 | COPY_ISID(sess->isid, fw_ddb_entry->isid); |
| 3775 | |
| 3776 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3777 | if (ddb_link == DDB_ISNS) |
| 3778 | disc_parent = ISCSI_DISC_PARENT_ISNS; |
| 3779 | else if (ddb_link == DDB_NO_LINK) |
| 3780 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; |
| 3781 | else if (ddb_link < MAX_DDB_ENTRIES) |
| 3782 | disc_parent = ISCSI_DISC_PARENT_SENDTGT; |
| 3783 | else |
| 3784 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; |
| 3785 | |
| 3786 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, |
| 3787 | iscsi_get_discovery_parent_name(disc_parent), 0); |
| 3788 | |
| 3789 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, |
| 3790 | (char *)fw_ddb_entry->iscsi_alias, 0); |
Adheer Chandravanshi | fb734ee3 | 2013-11-22 05:28:22 -0500 | [diff] [blame] | 3791 | |
| 3792 | options = le16_to_cpu(fw_ddb_entry->options); |
| 3793 | if (options & DDB_OPT_IPV6_DEVICE) { |
| 3794 | memset(ip_addr, 0, sizeof(ip_addr)); |
| 3795 | sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); |
| 3796 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, |
| 3797 | (char *)ip_addr, 0); |
| 3798 | } |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3799 | } |
| 3800 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3801 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
| 3802 | struct dev_db_entry *fw_ddb_entry, |
| 3803 | struct iscsi_cls_session *cls_sess, |
| 3804 | struct iscsi_cls_conn *cls_conn) |
| 3805 | { |
| 3806 | int buflen = 0; |
| 3807 | struct iscsi_session *sess; |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 3808 | struct ddb_entry *ddb_entry; |
Adheer Chandravanshi | 946ac57 | 2013-09-17 07:54:46 -0400 | [diff] [blame] | 3809 | struct ql4_chap_table chap_tbl; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3810 | struct iscsi_conn *conn; |
| 3811 | char ip_addr[DDB_IPADDR_LEN]; |
| 3812 | uint16_t options = 0; |
| 3813 | |
| 3814 | sess = cls_sess->dd_data; |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 3815 | ddb_entry = sess->dd_data; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3816 | conn = cls_conn->dd_data; |
Adheer Chandravanshi | 946ac57 | 2013-09-17 07:54:46 -0400 | [diff] [blame] | 3817 | memset(&chap_tbl, 0, sizeof(chap_tbl)); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3818 | |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 3819 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
| 3820 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3821 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3822 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3823 | sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3824 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); |
| 3825 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3826 | memset(ip_addr, 0, sizeof(ip_addr)); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3827 | options = le16_to_cpu(fw_ddb_entry->options); |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3828 | if (options & DDB_OPT_IPV6_DEVICE) { |
| 3829 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3830 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3831 | memset(ip_addr, 0, sizeof(ip_addr)); |
| 3832 | sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); |
| 3833 | } else { |
| 3834 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); |
| 3835 | sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); |
| 3836 | } |
| 3837 | |
| 3838 | iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, |
| 3839 | (char *)ip_addr, buflen); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3840 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, |
| 3841 | (char *)fw_ddb_entry->iscsi_name, buflen); |
| 3842 | iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, |
| 3843 | (char *)ha->name_string, buflen); |
Adheer Chandravanshi | 946ac57 | 2013-09-17 07:54:46 -0400 | [diff] [blame] | 3844 | |
| 3845 | if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { |
| 3846 | if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, |
| 3847 | chap_tbl.secret, |
| 3848 | ddb_entry->chap_tbl_idx)) { |
| 3849 | iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, |
| 3850 | (char *)chap_tbl.name, |
| 3851 | strlen((char *)chap_tbl.name)); |
| 3852 | iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, |
| 3853 | (char *)chap_tbl.secret, |
| 3854 | chap_tbl.secret_len); |
| 3855 | } |
| 3856 | } |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3857 | } |
| 3858 | |
| 3859 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, |
| 3860 | struct ddb_entry *ddb_entry) |
| 3861 | { |
| 3862 | struct iscsi_cls_session *cls_sess; |
| 3863 | struct iscsi_cls_conn *cls_conn; |
| 3864 | uint32_t ddb_state; |
| 3865 | dma_addr_t fw_ddb_entry_dma; |
| 3866 | struct dev_db_entry *fw_ddb_entry; |
| 3867 | |
| 3868 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3869 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 3870 | if (!fw_ddb_entry) { |
| 3871 | ql4_printk(KERN_ERR, ha, |
| 3872 | "%s: Unable to allocate dma buffer\n", __func__); |
| 3873 | goto exit_session_conn_fwddb_param; |
| 3874 | } |
| 3875 | |
| 3876 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, |
| 3877 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, |
| 3878 | NULL, NULL, NULL) == QLA_ERROR) { |
| 3879 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " |
| 3880 | "get_ddb_entry for fw_ddb_index %d\n", |
| 3881 | ha->host_no, __func__, |
| 3882 | ddb_entry->fw_ddb_index)); |
| 3883 | goto exit_session_conn_fwddb_param; |
| 3884 | } |
| 3885 | |
| 3886 | cls_sess = ddb_entry->sess; |
| 3887 | |
| 3888 | cls_conn = ddb_entry->conn; |
| 3889 | |
| 3890 | /* Update params */ |
| 3891 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); |
| 3892 | |
| 3893 | exit_session_conn_fwddb_param: |
| 3894 | if (fw_ddb_entry) |
| 3895 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3896 | fw_ddb_entry, fw_ddb_entry_dma); |
| 3897 | } |
| 3898 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3899 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
| 3900 | struct ddb_entry *ddb_entry) |
| 3901 | { |
| 3902 | struct iscsi_cls_session *cls_sess; |
| 3903 | struct iscsi_cls_conn *cls_conn; |
| 3904 | struct iscsi_session *sess; |
| 3905 | struct iscsi_conn *conn; |
| 3906 | uint32_t ddb_state; |
| 3907 | dma_addr_t fw_ddb_entry_dma; |
| 3908 | struct dev_db_entry *fw_ddb_entry; |
| 3909 | |
| 3910 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3911 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 3912 | if (!fw_ddb_entry) { |
| 3913 | ql4_printk(KERN_ERR, ha, |
| 3914 | "%s: Unable to allocate dma buffer\n", __func__); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3915 | goto exit_session_conn_param; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3916 | } |
| 3917 | |
| 3918 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, |
| 3919 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, |
| 3920 | NULL, NULL, NULL) == QLA_ERROR) { |
| 3921 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " |
| 3922 | "get_ddb_entry for fw_ddb_index %d\n", |
| 3923 | ha->host_no, __func__, |
| 3924 | ddb_entry->fw_ddb_index)); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3925 | goto exit_session_conn_param; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3926 | } |
| 3927 | |
| 3928 | cls_sess = ddb_entry->sess; |
| 3929 | sess = cls_sess->dd_data; |
| 3930 | |
| 3931 | cls_conn = ddb_entry->conn; |
| 3932 | conn = cls_conn->dd_data; |
| 3933 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3934 | /* Update timers after login */ |
| 3935 | ddb_entry->default_relogin_timeout = |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 3936 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
| 3937 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? |
| 3938 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3939 | ddb_entry->default_time2wait = |
| 3940 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
| 3941 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3942 | /* Update params */ |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 3943 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 3944 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3945 | |
| 3946 | memcpy(sess->initiatorname, ha->name_string, |
| 3947 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3948 | |
| 3949 | exit_session_conn_param: |
| 3950 | if (fw_ddb_entry) |
| 3951 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 3952 | fw_ddb_entry, fw_ddb_entry_dma); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3953 | } |
| 3954 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3955 | /* |
| 3956 | * Timer routines |
| 3957 | */ |
| 3958 | |
| 3959 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, |
| 3960 | unsigned long interval) |
| 3961 | { |
| 3962 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", |
| 3963 | __func__, ha->host->host_no)); |
| 3964 | init_timer(&ha->timer); |
| 3965 | ha->timer.expires = jiffies + interval * HZ; |
| 3966 | ha->timer.data = (unsigned long)ha; |
| 3967 | ha->timer.function = (void (*)(unsigned long))func; |
| 3968 | add_timer(&ha->timer); |
| 3969 | ha->timer_active = 1; |
| 3970 | } |
| 3971 | |
| 3972 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) |
| 3973 | { |
| 3974 | del_timer_sync(&ha->timer); |
| 3975 | ha->timer_active = 0; |
| 3976 | } |
| 3977 | |
| 3978 | /*** |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3979 | * qla4xxx_mark_device_missing - blocks the session |
| 3980 | * @cls_session: Pointer to the session to be blocked |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3981 | * @ddb_entry: Pointer to device database entry |
| 3982 | * |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3983 | * This routine marks a device missing and close connection. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3984 | **/ |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3985 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3986 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3987 | iscsi_block_session(cls_session); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3988 | } |
| 3989 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3990 | /** |
| 3991 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. |
| 3992 | * @ha: Pointer to host adapter structure. |
| 3993 | * |
| 3994 | * This routine marks a device missing and resets the relogin retry count. |
| 3995 | **/ |
| 3996 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) |
| 3997 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3998 | iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3999 | } |
| 4000 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4001 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
| 4002 | struct ddb_entry *ddb_entry, |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 4003 | struct scsi_cmnd *cmd) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4004 | { |
| 4005 | struct srb *srb; |
| 4006 | |
| 4007 | srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); |
| 4008 | if (!srb) |
| 4009 | return srb; |
| 4010 | |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 4011 | kref_init(&srb->srb_ref); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4012 | srb->ha = ha; |
| 4013 | srb->ddb = ddb_entry; |
| 4014 | srb->cmd = cmd; |
| 4015 | srb->flags = 0; |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 4016 | CMD_SP(cmd) = (void *)srb; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4017 | |
| 4018 | return srb; |
| 4019 | } |
| 4020 | |
| 4021 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) |
| 4022 | { |
| 4023 | struct scsi_cmnd *cmd = srb->cmd; |
| 4024 | |
| 4025 | if (srb->flags & SRB_DMA_VALID) { |
FUJITA Tomonori | 5f7186c | 2007-05-26 14:08:20 +0900 | [diff] [blame] | 4026 | scsi_dma_unmap(cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4027 | srb->flags &= ~SRB_DMA_VALID; |
| 4028 | } |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 4029 | CMD_SP(cmd) = NULL; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4030 | } |
| 4031 | |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 4032 | void qla4xxx_srb_compl(struct kref *ref) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4033 | { |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 4034 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4035 | struct scsi_cmnd *cmd = srb->cmd; |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 4036 | struct scsi_qla_host *ha = srb->ha; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4037 | |
| 4038 | qla4xxx_srb_free_dma(ha, srb); |
| 4039 | |
| 4040 | mempool_free(srb, ha->srb_mempool); |
| 4041 | |
| 4042 | cmd->scsi_done(cmd); |
| 4043 | } |
| 4044 | |
| 4045 | /** |
| 4046 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 4047 | * @host: scsi host |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4048 | * @cmd: Pointer to Linux's SCSI command structure |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4049 | * |
| 4050 | * Remarks: |
| 4051 | * This routine is invoked by Linux to send a SCSI command to the driver. |
| 4052 | * The mid-level driver tries to ensure that queuecommand never gets |
| 4053 | * invoked concurrently with itself or the interrupt handler (although |
| 4054 | * the interrupt handler may call this routine as part of request- |
| 4055 | * completion handling). Unfortunely, it sometimes calls the scheduler |
| 4056 | * in interrupt context which is a big NO! NO!. |
| 4057 | **/ |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 4058 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4059 | { |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 4060 | struct scsi_qla_host *ha = to_qla_host(host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4061 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
Mike Christie | 7fb1921 | 2008-01-31 13:36:45 -0600 | [diff] [blame] | 4062 | struct iscsi_cls_session *sess = ddb_entry->sess; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4063 | struct srb *srb; |
| 4064 | int rval; |
| 4065 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 4066 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
| 4067 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) |
| 4068 | cmd->result = DID_NO_CONNECT << 16; |
| 4069 | else |
| 4070 | cmd->result = DID_REQUEUE << 16; |
| 4071 | goto qc_fail_command; |
| 4072 | } |
| 4073 | |
Mike Christie | 7fb1921 | 2008-01-31 13:36:45 -0600 | [diff] [blame] | 4074 | if (!sess) { |
| 4075 | cmd->result = DID_IMM_RETRY << 16; |
| 4076 | goto qc_fail_command; |
| 4077 | } |
| 4078 | |
| 4079 | rval = iscsi_session_chkready(sess); |
| 4080 | if (rval) { |
| 4081 | cmd->result = rval; |
| 4082 | goto qc_fail_command; |
| 4083 | } |
| 4084 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4085 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
| 4086 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
| 4087 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
| 4088 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
| 4089 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || |
| 4090 | !test_bit(AF_ONLINE, &ha->flags) || |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4091 | !test_bit(AF_LINK_UP, &ha->flags) || |
Nilesh Javali | 026fbd3 | 2013-01-20 23:50:58 -0500 | [diff] [blame] | 4092 | test_bit(AF_LOOPBACK, &ha->flags) || |
Nilesh Javali | 7ab284c | 2013-08-16 07:03:03 -0400 | [diff] [blame] | 4093 | test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || |
| 4094 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4095 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 4096 | goto qc_host_busy; |
| 4097 | |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 4098 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4099 | if (!srb) |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 4100 | goto qc_host_busy; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4101 | |
| 4102 | rval = qla4xxx_send_command_to_isp(ha, srb); |
| 4103 | if (rval != QLA_SUCCESS) |
| 4104 | goto qc_host_busy_free_sp; |
| 4105 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4106 | return 0; |
| 4107 | |
| 4108 | qc_host_busy_free_sp: |
| 4109 | qla4xxx_srb_free_dma(ha, srb); |
| 4110 | mempool_free(srb, ha->srb_mempool); |
| 4111 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4112 | qc_host_busy: |
| 4113 | return SCSI_MLQUEUE_HOST_BUSY; |
| 4114 | |
| 4115 | qc_fail_command: |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 4116 | cmd->scsi_done(cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4117 | |
| 4118 | return 0; |
| 4119 | } |
| 4120 | |
| 4121 | /** |
| 4122 | * qla4xxx_mem_free - frees memory allocated to adapter |
| 4123 | * @ha: Pointer to host adapter structure. |
| 4124 | * |
| 4125 | * Frees memory previously allocated by qla4xxx_mem_alloc |
| 4126 | **/ |
| 4127 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) |
| 4128 | { |
| 4129 | if (ha->queues) |
| 4130 | dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, |
| 4131 | ha->queues_dma); |
| 4132 | |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 4133 | if (ha->fw_dump) |
| 4134 | vfree(ha->fw_dump); |
| 4135 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4136 | ha->queues_len = 0; |
| 4137 | ha->queues = NULL; |
| 4138 | ha->queues_dma = 0; |
| 4139 | ha->request_ring = NULL; |
| 4140 | ha->request_dma = 0; |
| 4141 | ha->response_ring = NULL; |
| 4142 | ha->response_dma = 0; |
| 4143 | ha->shadow_regs = NULL; |
| 4144 | ha->shadow_regs_dma = 0; |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 4145 | ha->fw_dump = NULL; |
| 4146 | ha->fw_dump_size = 0; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4147 | |
| 4148 | /* Free srb pool. */ |
| 4149 | if (ha->srb_mempool) |
| 4150 | mempool_destroy(ha->srb_mempool); |
| 4151 | |
| 4152 | ha->srb_mempool = NULL; |
| 4153 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4154 | if (ha->chap_dma_pool) |
| 4155 | dma_pool_destroy(ha->chap_dma_pool); |
| 4156 | |
Lalit Chandivade | 4549415 | 2011-10-07 16:55:42 -0700 | [diff] [blame] | 4157 | if (ha->chap_list) |
| 4158 | vfree(ha->chap_list); |
| 4159 | ha->chap_list = NULL; |
| 4160 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4161 | if (ha->fw_ddb_dma_pool) |
| 4162 | dma_pool_destroy(ha->fw_ddb_dma_pool); |
| 4163 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4164 | /* release io space registers */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4165 | if (is_qla8022(ha)) { |
| 4166 | if (ha->nx_pcibase) |
| 4167 | iounmap( |
| 4168 | (struct device_reg_82xx __iomem *)ha->nx_pcibase); |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 4169 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4170 | if (ha->nx_pcibase) |
| 4171 | iounmap( |
| 4172 | (struct device_reg_83xx __iomem *)ha->nx_pcibase); |
| 4173 | } else if (ha->reg) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4174 | iounmap(ha->reg); |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4175 | } |
| 4176 | |
| 4177 | if (ha->reset_tmplt.buff) |
| 4178 | vfree(ha->reset_tmplt.buff); |
| 4179 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4180 | pci_release_regions(ha->pdev); |
| 4181 | } |
| 4182 | |
| 4183 | /** |
| 4184 | * qla4xxx_mem_alloc - allocates memory for use by adapter. |
| 4185 | * @ha: Pointer to host adapter structure |
| 4186 | * |
| 4187 | * Allocates DMA memory for request and response queues. Also allocates memory |
| 4188 | * for srbs. |
| 4189 | **/ |
| 4190 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) |
| 4191 | { |
| 4192 | unsigned long align; |
| 4193 | |
| 4194 | /* Allocate contiguous block of DMA memory for queues. */ |
| 4195 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + |
| 4196 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + |
| 4197 | sizeof(struct shadow_regs) + |
| 4198 | MEM_ALIGN_VALUE + |
| 4199 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); |
| 4200 | ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, |
| 4201 | &ha->queues_dma, GFP_KERNEL); |
| 4202 | if (ha->queues == NULL) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4203 | ql4_printk(KERN_WARNING, ha, |
| 4204 | "Memory Allocation failed - queues.\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4205 | |
| 4206 | goto mem_alloc_error_exit; |
| 4207 | } |
| 4208 | memset(ha->queues, 0, ha->queues_len); |
| 4209 | |
| 4210 | /* |
| 4211 | * As per RISC alignment requirements -- the bus-address must be a |
| 4212 | * multiple of the request-ring size (in bytes). |
| 4213 | */ |
| 4214 | align = 0; |
| 4215 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) |
| 4216 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & |
| 4217 | (MEM_ALIGN_VALUE - 1)); |
| 4218 | |
| 4219 | /* Update request and response queue pointers. */ |
| 4220 | ha->request_dma = ha->queues_dma + align; |
| 4221 | ha->request_ring = (struct queue_entry *) (ha->queues + align); |
| 4222 | ha->response_dma = ha->queues_dma + align + |
| 4223 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); |
| 4224 | ha->response_ring = (struct queue_entry *) (ha->queues + align + |
| 4225 | (REQUEST_QUEUE_DEPTH * |
| 4226 | QUEUE_SIZE)); |
| 4227 | ha->shadow_regs_dma = ha->queues_dma + align + |
| 4228 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + |
| 4229 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); |
| 4230 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + |
| 4231 | (REQUEST_QUEUE_DEPTH * |
| 4232 | QUEUE_SIZE) + |
| 4233 | (RESPONSE_QUEUE_DEPTH * |
| 4234 | QUEUE_SIZE)); |
| 4235 | |
| 4236 | /* Allocate memory for srb pool. */ |
| 4237 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, |
| 4238 | mempool_free_slab, srb_cachep); |
| 4239 | if (ha->srb_mempool == NULL) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4240 | ql4_printk(KERN_WARNING, ha, |
| 4241 | "Memory Allocation failed - SRB Pool.\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4242 | |
| 4243 | goto mem_alloc_error_exit; |
| 4244 | } |
| 4245 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4246 | ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, |
| 4247 | CHAP_DMA_BLOCK_SIZE, 8, 0); |
| 4248 | |
| 4249 | if (ha->chap_dma_pool == NULL) { |
| 4250 | ql4_printk(KERN_WARNING, ha, |
| 4251 | "%s: chap_dma_pool allocation failed..\n", __func__); |
| 4252 | goto mem_alloc_error_exit; |
| 4253 | } |
| 4254 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4255 | ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, |
| 4256 | DDB_DMA_BLOCK_SIZE, 8, 0); |
| 4257 | |
| 4258 | if (ha->fw_ddb_dma_pool == NULL) { |
| 4259 | ql4_printk(KERN_WARNING, ha, |
| 4260 | "%s: fw_ddb_dma_pool allocation failed..\n", |
| 4261 | __func__); |
| 4262 | goto mem_alloc_error_exit; |
| 4263 | } |
| 4264 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4265 | return QLA_SUCCESS; |
| 4266 | |
| 4267 | mem_alloc_error_exit: |
| 4268 | qla4xxx_mem_free(ha); |
| 4269 | return QLA_ERROR; |
| 4270 | } |
| 4271 | |
| 4272 | /** |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 4273 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. |
| 4274 | * @ha: adapter block pointer. |
| 4275 | * |
| 4276 | * Note: The caller should not hold the idc lock. |
| 4277 | **/ |
| 4278 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) |
| 4279 | { |
| 4280 | uint32_t temp, temp_state, temp_val; |
| 4281 | int status = QLA_SUCCESS; |
| 4282 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4283 | temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 4284 | |
| 4285 | temp_state = qla82xx_get_temp_state(temp); |
| 4286 | temp_val = qla82xx_get_temp_val(temp); |
| 4287 | |
| 4288 | if (temp_state == QLA82XX_TEMP_PANIC) { |
| 4289 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" |
| 4290 | " exceeds maximum allowed. Hardware has been shut" |
| 4291 | " down.\n", temp_val); |
| 4292 | status = QLA_ERROR; |
| 4293 | } else if (temp_state == QLA82XX_TEMP_WARN) { |
| 4294 | if (ha->temperature == QLA82XX_TEMP_NORMAL) |
| 4295 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" |
| 4296 | " degrees C exceeds operating range." |
| 4297 | " Immediate action needed.\n", temp_val); |
| 4298 | } else { |
| 4299 | if (ha->temperature == QLA82XX_TEMP_WARN) |
| 4300 | ql4_printk(KERN_INFO, ha, "Device temperature is" |
| 4301 | " now %d degrees C in normal range.\n", |
| 4302 | temp_val); |
| 4303 | } |
| 4304 | ha->temperature = temp_state; |
| 4305 | return status; |
| 4306 | } |
| 4307 | |
| 4308 | /** |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4309 | * qla4_8xxx_check_fw_alive - Check firmware health |
| 4310 | * @ha: Pointer to host adapter structure. |
| 4311 | * |
| 4312 | * Context: Interrupt |
| 4313 | **/ |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4314 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4315 | { |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4316 | uint32_t fw_heartbeat_counter; |
| 4317 | int status = QLA_SUCCESS; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4318 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4319 | fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, |
| 4320 | QLA8XXX_PEG_ALIVE_COUNTER); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 4321 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
| 4322 | if (fw_heartbeat_counter == 0xffffffff) { |
| 4323 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " |
| 4324 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", |
| 4325 | ha->host_no, __func__)); |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4326 | return status; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 4327 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4328 | |
| 4329 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { |
| 4330 | ha->seconds_since_last_heartbeat++; |
| 4331 | /* FW not alive after 2 seconds */ |
| 4332 | if (ha->seconds_since_last_heartbeat == 2) { |
| 4333 | ha->seconds_since_last_heartbeat = 0; |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4334 | qla4_8xxx_dump_peg_reg(ha); |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4335 | status = QLA_ERROR; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4336 | } |
Lalit Chandivade | 99457d7 | 2010-10-06 22:49:32 -0700 | [diff] [blame] | 4337 | } else |
| 4338 | ha->seconds_since_last_heartbeat = 0; |
| 4339 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4340 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4341 | return status; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4342 | } |
| 4343 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4344 | static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) |
| 4345 | { |
| 4346 | uint32_t halt_status; |
| 4347 | int halt_status_unrecoverable = 0; |
| 4348 | |
| 4349 | halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); |
| 4350 | |
| 4351 | if (is_qla8022(ha)) { |
| 4352 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
| 4353 | __func__); |
| 4354 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, |
| 4355 | CRB_NIU_XG_PAUSE_CTL_P0 | |
| 4356 | CRB_NIU_XG_PAUSE_CTL_P1); |
| 4357 | |
| 4358 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) |
| 4359 | ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", |
| 4360 | __func__); |
| 4361 | if (halt_status & HALT_STATUS_UNRECOVERABLE) |
| 4362 | halt_status_unrecoverable = 1; |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 4363 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4364 | if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) |
| 4365 | ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", |
| 4366 | __func__); |
| 4367 | else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) |
| 4368 | halt_status_unrecoverable = 1; |
| 4369 | } |
| 4370 | |
| 4371 | /* |
| 4372 | * Since we cannot change dev_state in interrupt context, |
| 4373 | * set appropriate DPC flag then wakeup DPC |
| 4374 | */ |
| 4375 | if (halt_status_unrecoverable) { |
| 4376 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
| 4377 | } else { |
| 4378 | ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", |
| 4379 | __func__); |
| 4380 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 4381 | } |
| 4382 | qla4xxx_mailbox_premature_completion(ha); |
| 4383 | qla4xxx_wake_dpc(ha); |
| 4384 | } |
| 4385 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4386 | /** |
| 4387 | * qla4_8xxx_watchdog - Poll dev state |
| 4388 | * @ha: Pointer to host adapter structure. |
| 4389 | * |
| 4390 | * Context: Interrupt |
| 4391 | **/ |
| 4392 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) |
| 4393 | { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4394 | uint32_t dev_state; |
Vikas Chaudhary | 6cf9412 | 2013-03-07 05:43:10 -0500 | [diff] [blame] | 4395 | uint32_t idc_ctrl; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4396 | |
Vikas Chaudhary | a083e8b | 2013-12-16 06:49:32 -0500 | [diff] [blame] | 4397 | if (is_qla8032(ha) && |
| 4398 | (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) |
| 4399 | WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", |
| 4400 | __func__, ha->func_num); |
| 4401 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4402 | /* don't poll if reset is going on */ |
Lalit Chandivade | d56a1f7 | 2010-12-02 22:12:45 -0800 | [diff] [blame] | 4403 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
| 4404 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
Vikas Chaudhary | 977f46a | 2011-05-17 23:17:08 -0700 | [diff] [blame] | 4405 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4406 | dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 4407 | |
| 4408 | if (qla4_8xxx_check_temp(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4409 | if (is_qla8022(ha)) { |
| 4410 | ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); |
| 4411 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, |
| 4412 | CRB_NIU_XG_PAUSE_CTL_P0 | |
| 4413 | CRB_NIU_XG_PAUSE_CTL_P1); |
| 4414 | } |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 4415 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
| 4416 | qla4xxx_wake_dpc(ha); |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 4417 | } else if (dev_state == QLA8XXX_DEV_NEED_RESET && |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4418 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | 6cf9412 | 2013-03-07 05:43:10 -0500 | [diff] [blame] | 4419 | |
| 4420 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", |
| 4421 | __func__); |
| 4422 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 4423 | if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6cf9412 | 2013-03-07 05:43:10 -0500 | [diff] [blame] | 4424 | idc_ctrl = qla4_83xx_rd_reg(ha, |
| 4425 | QLA83XX_IDC_DRV_CTRL); |
| 4426 | if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { |
| 4427 | ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", |
| 4428 | __func__); |
| 4429 | qla4xxx_mailbox_premature_completion( |
| 4430 | ha); |
| 4431 | } |
| 4432 | } |
| 4433 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 4434 | if ((is_qla8032(ha) || is_qla8042(ha)) || |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4435 | (is_qla8022(ha) && !ql4xdontresethba)) { |
Vikas Chaudhary | 3930b8c | 2010-12-02 22:12:47 -0800 | [diff] [blame] | 4436 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 4437 | qla4xxx_wake_dpc(ha); |
Vikas Chaudhary | 3930b8c | 2010-12-02 22:12:47 -0800 | [diff] [blame] | 4438 | } |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 4439 | } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4440 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
Vikas Chaudhary | 3930b8c | 2010-12-02 22:12:47 -0800 | [diff] [blame] | 4441 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", |
| 4442 | __func__); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4443 | set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); |
| 4444 | qla4xxx_wake_dpc(ha); |
| 4445 | } else { |
| 4446 | /* Check firmware health */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4447 | if (qla4_8xxx_check_fw_alive(ha)) |
| 4448 | qla4_8xxx_process_fw_error(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4449 | } |
| 4450 | } |
| 4451 | } |
| 4452 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 4453 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4454 | { |
| 4455 | struct iscsi_session *sess; |
| 4456 | struct ddb_entry *ddb_entry; |
| 4457 | struct scsi_qla_host *ha; |
| 4458 | |
| 4459 | sess = cls_sess->dd_data; |
| 4460 | ddb_entry = sess->dd_data; |
| 4461 | ha = ddb_entry->ha; |
| 4462 | |
| 4463 | if (!(ddb_entry->ddb_type == FLASH_DDB)) |
| 4464 | return; |
| 4465 | |
| 4466 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && |
| 4467 | !iscsi_is_session_online(cls_sess)) { |
| 4468 | if (atomic_read(&ddb_entry->retry_relogin_timer) != |
| 4469 | INVALID_ENTRY) { |
| 4470 | if (atomic_read(&ddb_entry->retry_relogin_timer) == |
| 4471 | 0) { |
| 4472 | atomic_set(&ddb_entry->retry_relogin_timer, |
| 4473 | INVALID_ENTRY); |
| 4474 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); |
| 4475 | set_bit(DF_RELOGIN, &ddb_entry->flags); |
| 4476 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 4477 | "%s: index [%d] login device\n", |
| 4478 | __func__, ddb_entry->fw_ddb_index)); |
| 4479 | } else |
| 4480 | atomic_dec(&ddb_entry->retry_relogin_timer); |
| 4481 | } |
| 4482 | } |
| 4483 | |
| 4484 | /* Wait for relogin to timeout */ |
| 4485 | if (atomic_read(&ddb_entry->relogin_timer) && |
| 4486 | (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { |
| 4487 | /* |
| 4488 | * If the relogin times out and the device is |
| 4489 | * still NOT ONLINE then try and relogin again. |
| 4490 | */ |
| 4491 | if (!iscsi_is_session_online(cls_sess)) { |
| 4492 | /* Reset retry relogin timer */ |
| 4493 | atomic_inc(&ddb_entry->relogin_retry_count); |
| 4494 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 4495 | "%s: index[%d] relogin timed out-retrying" |
| 4496 | " relogin (%d), retry (%d)\n", __func__, |
| 4497 | ddb_entry->fw_ddb_index, |
| 4498 | atomic_read(&ddb_entry->relogin_retry_count), |
| 4499 | ddb_entry->default_time2wait + 4)); |
| 4500 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); |
| 4501 | atomic_set(&ddb_entry->retry_relogin_timer, |
| 4502 | ddb_entry->default_time2wait + 4); |
| 4503 | } |
| 4504 | } |
| 4505 | } |
| 4506 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4507 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4508 | * qla4xxx_timer - checks every second for work to do. |
| 4509 | * @ha: Pointer to host adapter structure. |
| 4510 | **/ |
| 4511 | static void qla4xxx_timer(struct scsi_qla_host *ha) |
| 4512 | { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4513 | int start_dpc = 0; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 4514 | uint16_t w; |
| 4515 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4516 | iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); |
| 4517 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 4518 | /* If we are in the middle of AER/EEH processing |
| 4519 | * skip any processing and reschedule the timer |
| 4520 | */ |
| 4521 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
| 4522 | mod_timer(&ha->timer, jiffies + HZ); |
| 4523 | return; |
| 4524 | } |
| 4525 | |
| 4526 | /* Hardware read to trigger an EEH error during mailbox waits. */ |
| 4527 | if (!pci_channel_offline(ha->pdev)) |
| 4528 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4529 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4530 | if (is_qla80XX(ha)) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4531 | qla4_8xxx_watchdog(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4532 | |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 4533 | if (is_qla40XX(ha)) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4534 | /* Check for heartbeat interval. */ |
| 4535 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && |
| 4536 | ha->heartbeat_interval != 0) { |
| 4537 | ha->seconds_since_last_heartbeat++; |
| 4538 | if (ha->seconds_since_last_heartbeat > |
| 4539 | ha->heartbeat_interval + 2) |
| 4540 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 4541 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4542 | } |
| 4543 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 4544 | /* Process any deferred work. */ |
| 4545 | if (!list_empty(&ha->work_list)) |
| 4546 | start_dpc++; |
| 4547 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4548 | /* Wakeup the dpc routine for this adapter, if needed. */ |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 4549 | if (start_dpc || |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4550 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
| 4551 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || |
| 4552 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4553 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4554 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
| 4555 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 4556 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4557 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
| 4558 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || |
Nilesh Javali | 906cbf3 | 2014-04-09 21:12:25 -0400 | [diff] [blame] | 4559 | test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 4560 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4561 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
| 4562 | " - dpc flags = 0x%lx\n", |
| 4563 | ha->host_no, __func__, ha->dpc_flags)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4564 | qla4xxx_wake_dpc(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4565 | } |
| 4566 | |
| 4567 | /* Reschedule timer thread to call us back in one second */ |
| 4568 | mod_timer(&ha->timer, jiffies + HZ); |
| 4569 | |
| 4570 | DEBUG2(ha->seconds_since_last_intr++); |
| 4571 | } |
| 4572 | |
| 4573 | /** |
| 4574 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete |
| 4575 | * @ha: Pointer to host adapter structure. |
| 4576 | * |
| 4577 | * This routine stalls the driver until all outstanding commands are returned. |
| 4578 | * Caller must release the Hardware Lock prior to calling this routine. |
| 4579 | **/ |
| 4580 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) |
| 4581 | { |
| 4582 | uint32_t index = 0; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4583 | unsigned long flags; |
| 4584 | struct scsi_cmnd *cmd; |
Tej Parkash | 61d9a2b | 2013-12-16 06:49:43 -0500 | [diff] [blame] | 4585 | unsigned long wtime; |
| 4586 | uint32_t wtmo; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4587 | |
Tej Parkash | 61d9a2b | 2013-12-16 06:49:43 -0500 | [diff] [blame] | 4588 | if (is_qla40XX(ha)) |
| 4589 | wtmo = WAIT_CMD_TOV; |
| 4590 | else |
| 4591 | wtmo = ha->nx_reset_timeout / 2; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4592 | |
Tej Parkash | 61d9a2b | 2013-12-16 06:49:43 -0500 | [diff] [blame] | 4593 | wtime = jiffies + (wtmo * HZ); |
| 4594 | |
| 4595 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 4596 | "Wait up to %u seconds for cmds to complete\n", |
| 4597 | wtmo)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4598 | |
| 4599 | while (!time_after_eq(jiffies, wtime)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4600 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4601 | /* Find a command that hasn't completed. */ |
| 4602 | for (index = 0; index < ha->host->can_queue; index++) { |
| 4603 | cmd = scsi_host_find_tag(ha->host, index); |
Mike Christie | a1e0063 | 2010-10-26 05:45:30 -0700 | [diff] [blame] | 4604 | /* |
| 4605 | * We cannot just check if the index is valid, |
| 4606 | * becase if we are run from the scsi eh, then |
| 4607 | * the scsi/block layer is going to prevent |
| 4608 | * the tag from being released. |
| 4609 | */ |
| 4610 | if (cmd != NULL && CMD_SP(cmd)) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4611 | break; |
| 4612 | } |
| 4613 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 4614 | |
| 4615 | /* If No Commands are pending, wait is complete */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4616 | if (index == ha->host->can_queue) |
| 4617 | return QLA_SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4618 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4619 | msleep(1000); |
| 4620 | } |
| 4621 | /* If we timed out on waiting for commands to come back |
| 4622 | * return ERROR. */ |
| 4623 | return QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4624 | } |
| 4625 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4626 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4627 | { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4628 | uint32_t ctrl_status; |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 4629 | unsigned long flags = 0; |
| 4630 | |
| 4631 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4632 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4633 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
| 4634 | return QLA_ERROR; |
| 4635 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4636 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4637 | |
| 4638 | /* |
| 4639 | * If the SCSI Reset Interrupt bit is set, clear it. |
| 4640 | * Otherwise, the Soft Reset won't work. |
| 4641 | */ |
| 4642 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 4643 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) |
| 4644 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); |
| 4645 | |
| 4646 | /* Issue Soft Reset */ |
| 4647 | writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); |
| 4648 | readl(&ha->reg->ctrl_status); |
| 4649 | |
| 4650 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4651 | return QLA_SUCCESS; |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 4652 | } |
| 4653 | |
| 4654 | /** |
| 4655 | * qla4xxx_soft_reset - performs soft reset. |
| 4656 | * @ha: Pointer to host adapter structure. |
| 4657 | **/ |
| 4658 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) |
| 4659 | { |
| 4660 | uint32_t max_wait_time; |
| 4661 | unsigned long flags = 0; |
Vikas Chaudhary | f931c53 | 2010-10-06 22:48:07 -0700 | [diff] [blame] | 4662 | int status; |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 4663 | uint32_t ctrl_status; |
| 4664 | |
Vikas Chaudhary | f931c53 | 2010-10-06 22:48:07 -0700 | [diff] [blame] | 4665 | status = qla4xxx_hw_reset(ha); |
| 4666 | if (status != QLA_SUCCESS) |
| 4667 | return status; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4668 | |
Vikas Chaudhary | f931c53 | 2010-10-06 22:48:07 -0700 | [diff] [blame] | 4669 | status = QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4670 | /* Wait until the Network Reset Intr bit is cleared */ |
| 4671 | max_wait_time = RESET_INTR_TOV; |
| 4672 | do { |
| 4673 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4674 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 4675 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 4676 | |
| 4677 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) |
| 4678 | break; |
| 4679 | |
| 4680 | msleep(1000); |
| 4681 | } while ((--max_wait_time)); |
| 4682 | |
| 4683 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { |
| 4684 | DEBUG2(printk(KERN_WARNING |
| 4685 | "scsi%ld: Network Reset Intr not cleared by " |
| 4686 | "Network function, clearing it now!\n", |
| 4687 | ha->host_no)); |
| 4688 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4689 | writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); |
| 4690 | readl(&ha->reg->ctrl_status); |
| 4691 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 4692 | } |
| 4693 | |
| 4694 | /* Wait until the firmware tells us the Soft Reset is done */ |
| 4695 | max_wait_time = SOFT_RESET_TOV; |
| 4696 | do { |
| 4697 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4698 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 4699 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 4700 | |
| 4701 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { |
| 4702 | status = QLA_SUCCESS; |
| 4703 | break; |
| 4704 | } |
| 4705 | |
| 4706 | msleep(1000); |
| 4707 | } while ((--max_wait_time)); |
| 4708 | |
| 4709 | /* |
| 4710 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared |
| 4711 | * after the soft reset has taken place. |
| 4712 | */ |
| 4713 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4714 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 4715 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { |
| 4716 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); |
| 4717 | readl(&ha->reg->ctrl_status); |
| 4718 | } |
| 4719 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 4720 | |
| 4721 | /* If soft reset fails then most probably the bios on other |
| 4722 | * function is also enabled. |
| 4723 | * Since the initialization is sequential the other fn |
| 4724 | * wont be able to acknowledge the soft reset. |
| 4725 | * Issue a force soft reset to workaround this scenario. |
| 4726 | */ |
| 4727 | if (max_wait_time == 0) { |
| 4728 | /* Issue Force Soft Reset */ |
| 4729 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4730 | writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); |
| 4731 | readl(&ha->reg->ctrl_status); |
| 4732 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 4733 | /* Wait until the firmware tells us the Soft Reset is done */ |
| 4734 | max_wait_time = SOFT_RESET_TOV; |
| 4735 | do { |
| 4736 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4737 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 4738 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 4739 | |
| 4740 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { |
| 4741 | status = QLA_SUCCESS; |
| 4742 | break; |
| 4743 | } |
| 4744 | |
| 4745 | msleep(1000); |
| 4746 | } while ((--max_wait_time)); |
| 4747 | } |
| 4748 | |
| 4749 | return status; |
| 4750 | } |
| 4751 | |
| 4752 | /** |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4753 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4754 | * @ha: Pointer to host adapter structure. |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4755 | * @res: returned scsi status |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4756 | * |
| 4757 | * This routine is called just prior to a HARD RESET to return all |
| 4758 | * outstanding commands back to the Operating System. |
| 4759 | * Caller should make sure that the following locks are released |
| 4760 | * before this calling routine: Hardware lock, and io_request_lock. |
| 4761 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4762 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4763 | { |
| 4764 | struct srb *srb; |
| 4765 | int i; |
| 4766 | unsigned long flags; |
| 4767 | |
| 4768 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 4769 | for (i = 0; i < ha->host->can_queue; i++) { |
| 4770 | srb = qla4xxx_del_from_active_array(ha, i); |
| 4771 | if (srb != NULL) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4772 | srb->cmd->result = res; |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 4773 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4774 | } |
| 4775 | } |
| 4776 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4777 | } |
| 4778 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4779 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
| 4780 | { |
| 4781 | clear_bit(AF_ONLINE, &ha->flags); |
| 4782 | |
| 4783 | /* Disable the board */ |
| 4784 | ql4_printk(KERN_INFO, ha, "Disabling the board\n"); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4785 | |
| 4786 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
| 4787 | qla4xxx_mark_all_devices_missing(ha); |
| 4788 | clear_bit(AF_INIT_DONE, &ha->flags); |
| 4789 | } |
| 4790 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4791 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
| 4792 | { |
| 4793 | struct iscsi_session *sess; |
| 4794 | struct ddb_entry *ddb_entry; |
| 4795 | |
| 4796 | sess = cls_session->dd_data; |
| 4797 | ddb_entry = sess->dd_data; |
| 4798 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4799 | |
| 4800 | if (ddb_entry->ddb_type == FLASH_DDB) |
| 4801 | iscsi_block_session(ddb_entry->sess); |
| 4802 | else |
| 4803 | iscsi_session_failure(cls_session->dd_data, |
| 4804 | ISCSI_ERR_CONN_FAILED); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4805 | } |
| 4806 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4807 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4808 | * qla4xxx_recover_adapter - recovers adapter after a fatal error |
| 4809 | * @ha: Pointer to host adapter structure. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4810 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4811 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4812 | { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4813 | int status = QLA_ERROR; |
| 4814 | uint8_t reset_chip = 0; |
Sarang Radke | 8e0f3a6 | 2011-12-01 22:42:09 -0800 | [diff] [blame] | 4815 | uint32_t dev_state; |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4816 | unsigned long wait; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4817 | |
| 4818 | /* Stall incoming I/O until we are done */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4819 | scsi_block_requests(ha->host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4820 | clear_bit(AF_ONLINE, &ha->flags); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4821 | clear_bit(AF_LINK_UP, &ha->flags); |
Mike Christie | 50a29ae | 2008-03-04 13:26:53 -0600 | [diff] [blame] | 4822 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4823 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4824 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4825 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4826 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 4827 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
Tej Parkash | 546fef2 | 2012-09-20 07:35:12 -0400 | [diff] [blame] | 4828 | !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
| 4829 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
| 4830 | __func__); |
| 4831 | /* disable pause frame for ISP83xx */ |
| 4832 | qla4_83xx_disable_pause(ha); |
| 4833 | } |
| 4834 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4835 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
| 4836 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4837 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
| 4838 | reset_chip = 1; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4839 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4840 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
| 4841 | * do not reset adapter, jump to initialize_adapter */ |
| 4842 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
| 4843 | status = QLA_SUCCESS; |
| 4844 | goto recover_ha_init_adapter; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4845 | } |
| 4846 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4847 | /* For the ISP-8xxx adapter, issue a stop_firmware if invoked |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4848 | * from eh_host_reset or ioctl module */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4849 | if (is_qla80XX(ha) && !reset_chip && |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4850 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
| 4851 | |
| 4852 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 4853 | "scsi%ld: %s - Performing stop_firmware...\n", |
| 4854 | ha->host_no, __func__)); |
| 4855 | status = ha->isp_ops->reset_firmware(ha); |
| 4856 | if (status == QLA_SUCCESS) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4857 | ha->isp_ops->disable_intrs(ha); |
| 4858 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
| 4859 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
| 4860 | } else { |
| 4861 | /* If the stop_firmware fails then |
| 4862 | * reset the entire chip */ |
| 4863 | reset_chip = 1; |
| 4864 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
| 4865 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 4866 | } |
| 4867 | } |
| 4868 | |
| 4869 | /* Issue full chip reset if recovering from a catastrophic error, |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4870 | * or if stop_firmware fails for ISP-8xxx. |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4871 | * This is the default case for ISP-4xxx */ |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 4872 | if (is_qla40XX(ha) || reset_chip) { |
| 4873 | if (is_qla40XX(ha)) |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4874 | goto chip_reset; |
| 4875 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4876 | /* Check if 8XXX firmware is alive or not |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 4877 | * We may have arrived here from NEED_RESET |
| 4878 | * detection only */ |
| 4879 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) |
| 4880 | goto chip_reset; |
| 4881 | |
| 4882 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); |
| 4883 | while (time_before(jiffies, wait)) { |
| 4884 | if (qla4_8xxx_check_fw_alive(ha)) { |
| 4885 | qla4xxx_mailbox_premature_completion(ha); |
| 4886 | break; |
| 4887 | } |
| 4888 | |
| 4889 | set_current_state(TASK_UNINTERRUPTIBLE); |
| 4890 | schedule_timeout(HZ); |
| 4891 | } |
Vikas Chaudhary | da10621 | 2012-08-22 07:45:26 -0400 | [diff] [blame] | 4892 | chip_reset: |
Nilesh Javali | 2bd1e2b | 2010-10-06 22:49:20 -0700 | [diff] [blame] | 4893 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
| 4894 | qla4xxx_cmd_wait(ha); |
Vikas Chaudhary | da10621 | 2012-08-22 07:45:26 -0400 | [diff] [blame] | 4895 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4896 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4897 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 4898 | "scsi%ld: %s - Performing chip reset..\n", |
| 4899 | ha->host_no, __func__)); |
| 4900 | status = ha->isp_ops->reset_chip(ha); |
Tej Parkash | 61d9a2b | 2013-12-16 06:49:43 -0500 | [diff] [blame] | 4901 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4902 | } |
| 4903 | |
| 4904 | /* Flush any pending ddb changed AENs */ |
| 4905 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
| 4906 | |
| 4907 | recover_ha_init_adapter: |
| 4908 | /* Upon successful firmware/chip reset, re-initialize the adapter */ |
| 4909 | if (status == QLA_SUCCESS) { |
| 4910 | /* For ISP-4xxx, force function 1 to always initialize |
| 4911 | * before function 3 to prevent both funcions from |
| 4912 | * stepping on top of the other */ |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 4913 | if (is_qla40XX(ha) && (ha->mac_index == 3)) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4914 | ssleep(6); |
| 4915 | |
| 4916 | /* NOTE: AF_ONLINE flag set upon successful completion of |
Nilesh Javali | 37418cc | 2013-12-16 06:49:31 -0500 | [diff] [blame] | 4917 | * qla4xxx_initialize_adapter */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4918 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
Nilesh Javali | 37418cc | 2013-12-16 06:49:31 -0500 | [diff] [blame] | 4919 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
| 4920 | status = qla4_8xxx_check_init_adapter_retry(ha); |
| 4921 | if (status == QLA_ERROR) { |
| 4922 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", |
| 4923 | ha->host_no, __func__); |
| 4924 | qla4xxx_dead_adapter_cleanup(ha); |
| 4925 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 4926 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 4927 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
| 4928 | &ha->dpc_flags); |
| 4929 | goto exit_recover; |
| 4930 | } |
| 4931 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4932 | } |
| 4933 | |
| 4934 | /* Retry failed adapter initialization, if necessary |
| 4935 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) |
| 4936 | * case to prevent ping-pong resets between functions */ |
| 4937 | if (!test_bit(AF_ONLINE, &ha->flags) && |
| 4938 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4939 | /* Adapter initialization failed, see if we can retry |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4940 | * resetting the ha. |
| 4941 | * Since we don't want to block the DPC for too long |
| 4942 | * with multiple resets in the same thread, |
| 4943 | * utilize DPC to retry */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4944 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4945 | ha->isp_ops->idc_lock(ha); |
| 4946 | dev_state = qla4_8xxx_rd_direct(ha, |
| 4947 | QLA8XXX_CRB_DEV_STATE); |
| 4948 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 4949 | if (dev_state == QLA8XXX_DEV_FAILED) { |
Sarang Radke | 8e0f3a6 | 2011-12-01 22:42:09 -0800 | [diff] [blame] | 4950 | ql4_printk(KERN_INFO, ha, "%s: don't retry " |
| 4951 | "recover adapter. H/W is in Failed " |
| 4952 | "state\n", __func__); |
| 4953 | qla4xxx_dead_adapter_cleanup(ha); |
| 4954 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 4955 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 4956 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
| 4957 | &ha->dpc_flags); |
| 4958 | status = QLA_ERROR; |
| 4959 | |
| 4960 | goto exit_recover; |
| 4961 | } |
| 4962 | } |
| 4963 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4964 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
| 4965 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; |
| 4966 | DEBUG2(printk("scsi%ld: recover adapter - retrying " |
| 4967 | "(%d) more times\n", ha->host_no, |
| 4968 | ha->retry_reset_ha_cnt)); |
| 4969 | set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 4970 | status = QLA_ERROR; |
| 4971 | } else { |
| 4972 | if (ha->retry_reset_ha_cnt > 0) { |
| 4973 | /* Schedule another Reset HA--DPC will retry */ |
| 4974 | ha->retry_reset_ha_cnt--; |
| 4975 | DEBUG2(printk("scsi%ld: recover adapter - " |
| 4976 | "retry remaining %d\n", |
| 4977 | ha->host_no, |
| 4978 | ha->retry_reset_ha_cnt)); |
| 4979 | status = QLA_ERROR; |
| 4980 | } |
| 4981 | |
| 4982 | if (ha->retry_reset_ha_cnt == 0) { |
| 4983 | /* Recover adapter retries have been exhausted. |
| 4984 | * Adapter DEAD */ |
| 4985 | DEBUG2(printk("scsi%ld: recover adapter " |
| 4986 | "failed - board disabled\n", |
| 4987 | ha->host_no)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4988 | qla4xxx_dead_adapter_cleanup(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4989 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 4990 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4991 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4992 | &ha->dpc_flags); |
| 4993 | status = QLA_ERROR; |
| 4994 | } |
| 4995 | } |
| 4996 | } else { |
| 4997 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4998 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4999 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 5000 | } |
| 5001 | |
Sarang Radke | 8e0f3a6 | 2011-12-01 22:42:09 -0800 | [diff] [blame] | 5002 | exit_recover: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5003 | ha->adapter_error_count++; |
| 5004 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5005 | if (test_bit(AF_ONLINE, &ha->flags)) |
| 5006 | ha->isp_ops->enable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5007 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5008 | scsi_unblock_requests(ha->host); |
| 5009 | |
| 5010 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
| 5011 | DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 5012 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5013 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5014 | return status; |
| 5015 | } |
| 5016 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 5017 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 5018 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 5019 | struct iscsi_session *sess; |
| 5020 | struct ddb_entry *ddb_entry; |
| 5021 | struct scsi_qla_host *ha; |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 5022 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 5023 | sess = cls_session->dd_data; |
| 5024 | ddb_entry = sess->dd_data; |
| 5025 | ha = ddb_entry->ha; |
| 5026 | if (!iscsi_is_session_online(cls_session)) { |
| 5027 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { |
| 5028 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 5029 | " unblock session\n", ha->host_no, __func__, |
| 5030 | ddb_entry->fw_ddb_index); |
| 5031 | iscsi_unblock_session(ddb_entry->sess); |
| 5032 | } else { |
| 5033 | /* Trigger relogin */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5034 | if (ddb_entry->ddb_type == FLASH_DDB) { |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 5035 | if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || |
| 5036 | test_bit(DF_DISABLE_RELOGIN, |
| 5037 | &ddb_entry->flags))) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5038 | qla4xxx_arm_relogin_timer(ddb_entry); |
| 5039 | } else |
| 5040 | iscsi_session_failure(cls_session->dd_data, |
| 5041 | ISCSI_ERR_CONN_FAILED); |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 5042 | } |
| 5043 | } |
| 5044 | } |
| 5045 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5046 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
| 5047 | { |
| 5048 | struct iscsi_session *sess; |
| 5049 | struct ddb_entry *ddb_entry; |
| 5050 | struct scsi_qla_host *ha; |
| 5051 | |
| 5052 | sess = cls_session->dd_data; |
| 5053 | ddb_entry = sess->dd_data; |
| 5054 | ha = ddb_entry->ha; |
| 5055 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 5056 | " unblock session\n", ha->host_no, __func__, |
| 5057 | ddb_entry->fw_ddb_index); |
| 5058 | |
| 5059 | iscsi_unblock_session(ddb_entry->sess); |
| 5060 | |
| 5061 | /* Start scan target */ |
| 5062 | if (test_bit(AF_ONLINE, &ha->flags)) { |
| 5063 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 5064 | " start scan\n", ha->host_no, __func__, |
| 5065 | ddb_entry->fw_ddb_index); |
| 5066 | scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); |
| 5067 | } |
| 5068 | return QLA_SUCCESS; |
| 5069 | } |
| 5070 | |
| 5071 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) |
| 5072 | { |
| 5073 | struct iscsi_session *sess; |
| 5074 | struct ddb_entry *ddb_entry; |
| 5075 | struct scsi_qla_host *ha; |
Manish Rangankar | 80c53e6 | 2012-08-07 07:57:15 -0400 | [diff] [blame] | 5076 | int status = QLA_SUCCESS; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5077 | |
| 5078 | sess = cls_session->dd_data; |
| 5079 | ddb_entry = sess->dd_data; |
| 5080 | ha = ddb_entry->ha; |
| 5081 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 5082 | " unblock user space session\n", ha->host_no, __func__, |
| 5083 | ddb_entry->fw_ddb_index); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5084 | |
Manish Rangankar | 80c53e6 | 2012-08-07 07:57:15 -0400 | [diff] [blame] | 5085 | if (!iscsi_is_session_online(cls_session)) { |
| 5086 | iscsi_conn_start(ddb_entry->conn); |
| 5087 | iscsi_conn_login_event(ddb_entry->conn, |
| 5088 | ISCSI_CONN_STATE_LOGGED_IN); |
| 5089 | } else { |
| 5090 | ql4_printk(KERN_INFO, ha, |
| 5091 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", |
| 5092 | ha->host_no, __func__, ddb_entry->fw_ddb_index, |
| 5093 | cls_session->sid); |
| 5094 | status = QLA_ERROR; |
| 5095 | } |
| 5096 | |
| 5097 | return status; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5098 | } |
| 5099 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 5100 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
| 5101 | { |
| 5102 | iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); |
| 5103 | } |
| 5104 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5105 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
| 5106 | { |
| 5107 | uint16_t relogin_timer; |
| 5108 | struct iscsi_session *sess; |
| 5109 | struct ddb_entry *ddb_entry; |
| 5110 | struct scsi_qla_host *ha; |
| 5111 | |
| 5112 | sess = cls_sess->dd_data; |
| 5113 | ddb_entry = sess->dd_data; |
| 5114 | ha = ddb_entry->ha; |
| 5115 | |
| 5116 | relogin_timer = max(ddb_entry->default_relogin_timeout, |
| 5117 | (uint16_t)RELOGIN_TOV); |
| 5118 | atomic_set(&ddb_entry->relogin_timer, relogin_timer); |
| 5119 | |
| 5120 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 5121 | "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, |
| 5122 | ddb_entry->fw_ddb_index, relogin_timer)); |
| 5123 | |
| 5124 | qla4xxx_login_flash_ddb(cls_sess); |
| 5125 | } |
| 5126 | |
| 5127 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) |
| 5128 | { |
| 5129 | struct iscsi_session *sess; |
| 5130 | struct ddb_entry *ddb_entry; |
| 5131 | struct scsi_qla_host *ha; |
| 5132 | |
| 5133 | sess = cls_sess->dd_data; |
| 5134 | ddb_entry = sess->dd_data; |
| 5135 | ha = ddb_entry->ha; |
| 5136 | |
| 5137 | if (!(ddb_entry->ddb_type == FLASH_DDB)) |
| 5138 | return; |
| 5139 | |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 5140 | if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
| 5141 | return; |
| 5142 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5143 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && |
| 5144 | !iscsi_is_session_online(cls_sess)) { |
| 5145 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 5146 | "relogin issued\n")); |
| 5147 | qla4xxx_relogin_flash_ddb(cls_sess); |
| 5148 | } |
| 5149 | } |
| 5150 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5151 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
| 5152 | { |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 5153 | if (ha->dpc_thread) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5154 | queue_work(ha->dpc_thread, &ha->dpc_work); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5155 | } |
| 5156 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 5157 | static struct qla4_work_evt * |
| 5158 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, |
| 5159 | enum qla4_work_type type) |
| 5160 | { |
| 5161 | struct qla4_work_evt *e; |
| 5162 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; |
| 5163 | |
| 5164 | e = kzalloc(size, GFP_ATOMIC); |
| 5165 | if (!e) |
| 5166 | return NULL; |
| 5167 | |
| 5168 | INIT_LIST_HEAD(&e->list); |
| 5169 | e->type = type; |
| 5170 | return e; |
| 5171 | } |
| 5172 | |
| 5173 | static void qla4xxx_post_work(struct scsi_qla_host *ha, |
| 5174 | struct qla4_work_evt *e) |
| 5175 | { |
| 5176 | unsigned long flags; |
| 5177 | |
| 5178 | spin_lock_irqsave(&ha->work_lock, flags); |
| 5179 | list_add_tail(&e->list, &ha->work_list); |
| 5180 | spin_unlock_irqrestore(&ha->work_lock, flags); |
| 5181 | qla4xxx_wake_dpc(ha); |
| 5182 | } |
| 5183 | |
| 5184 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, |
| 5185 | enum iscsi_host_event_code aen_code, |
| 5186 | uint32_t data_size, uint8_t *data) |
| 5187 | { |
| 5188 | struct qla4_work_evt *e; |
| 5189 | |
| 5190 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); |
| 5191 | if (!e) |
| 5192 | return QLA_ERROR; |
| 5193 | |
| 5194 | e->u.aen.code = aen_code; |
| 5195 | e->u.aen.data_size = data_size; |
| 5196 | memcpy(e->u.aen.data, data, data_size); |
| 5197 | |
| 5198 | qla4xxx_post_work(ha, e); |
| 5199 | |
| 5200 | return QLA_SUCCESS; |
| 5201 | } |
| 5202 | |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 5203 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
| 5204 | uint32_t status, uint32_t pid, |
| 5205 | uint32_t data_size, uint8_t *data) |
| 5206 | { |
| 5207 | struct qla4_work_evt *e; |
| 5208 | |
| 5209 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); |
| 5210 | if (!e) |
| 5211 | return QLA_ERROR; |
| 5212 | |
| 5213 | e->u.ping.status = status; |
| 5214 | e->u.ping.pid = pid; |
| 5215 | e->u.ping.data_size = data_size; |
| 5216 | memcpy(e->u.ping.data, data, data_size); |
| 5217 | |
| 5218 | qla4xxx_post_work(ha, e); |
| 5219 | |
| 5220 | return QLA_SUCCESS; |
| 5221 | } |
| 5222 | |
Vikas Chaudhary | a7380a6 | 2012-02-27 03:08:56 -0800 | [diff] [blame] | 5223 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 5224 | { |
| 5225 | struct qla4_work_evt *e, *tmp; |
| 5226 | unsigned long flags; |
| 5227 | LIST_HEAD(work); |
| 5228 | |
| 5229 | spin_lock_irqsave(&ha->work_lock, flags); |
| 5230 | list_splice_init(&ha->work_list, &work); |
| 5231 | spin_unlock_irqrestore(&ha->work_lock, flags); |
| 5232 | |
| 5233 | list_for_each_entry_safe(e, tmp, &work, list) { |
| 5234 | list_del_init(&e->list); |
| 5235 | |
| 5236 | switch (e->type) { |
| 5237 | case QLA4_EVENT_AEN: |
| 5238 | iscsi_post_host_event(ha->host_no, |
| 5239 | &qla4xxx_iscsi_transport, |
| 5240 | e->u.aen.code, |
| 5241 | e->u.aen.data_size, |
| 5242 | e->u.aen.data); |
| 5243 | break; |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 5244 | case QLA4_EVENT_PING_STATUS: |
| 5245 | iscsi_ping_comp_event(ha->host_no, |
| 5246 | &qla4xxx_iscsi_transport, |
| 5247 | e->u.ping.status, |
| 5248 | e->u.ping.pid, |
| 5249 | e->u.ping.data_size, |
| 5250 | e->u.ping.data); |
| 5251 | break; |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 5252 | default: |
| 5253 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " |
| 5254 | "supported", e->type); |
| 5255 | } |
| 5256 | kfree(e); |
| 5257 | } |
| 5258 | } |
| 5259 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5260 | /** |
| 5261 | * qla4xxx_do_dpc - dpc routine |
| 5262 | * @data: in our case pointer to adapter structure |
| 5263 | * |
| 5264 | * This routine is a task that is schedule by the interrupt handler |
| 5265 | * to perform the background processing for interrupts. We put it |
| 5266 | * on a task queue that is consumed whenever the scheduler runs; that's |
| 5267 | * so you can do anything (i.e. put the process to sleep etc). In fact, |
| 5268 | * the mid-level tries to sleep when it reaches the driver threshold |
| 5269 | * "host->can_queue". This can cause a panic if we were in our interrupt code. |
| 5270 | **/ |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 5271 | static void qla4xxx_do_dpc(struct work_struct *work) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5272 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 5273 | struct scsi_qla_host *ha = |
| 5274 | container_of(work, struct scsi_qla_host, dpc_work); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 5275 | int status = QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5276 | |
Vikas Chaudhary | a7e5688 | 2013-12-16 06:49:51 -0500 | [diff] [blame] | 5277 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 5278 | "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", |
| 5279 | ha->host_no, __func__, ha->flags, ha->dpc_flags)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5280 | |
| 5281 | /* Initialization not yet finished. Don't do anything yet. */ |
| 5282 | if (!test_bit(AF_INIT_DONE, &ha->flags)) |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 5283 | return; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5284 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 5285 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
| 5286 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", |
| 5287 | ha->host_no, __func__, ha->flags)); |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 5288 | return; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 5289 | } |
| 5290 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 5291 | /* post events to application */ |
| 5292 | qla4xxx_do_work(ha); |
| 5293 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 5294 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5295 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 5296 | if (is_qla8032(ha) || is_qla8042(ha)) { |
Tej Parkash | 546fef2 | 2012-09-20 07:35:12 -0400 | [diff] [blame] | 5297 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
| 5298 | __func__); |
| 5299 | /* disable pause frame for ISP83xx */ |
| 5300 | qla4_83xx_disable_pause(ha); |
| 5301 | } |
| 5302 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 5303 | ha->isp_ops->idc_lock(ha); |
| 5304 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 5305 | QLA8XXX_DEV_FAILED); |
| 5306 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5307 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
| 5308 | qla4_8xxx_device_state_handler(ha); |
| 5309 | } |
Nilesh Javali | 320a61d | 2012-09-20 07:35:10 -0400 | [diff] [blame] | 5310 | |
Nilesh Javali | 7ab284c | 2013-08-16 07:03:03 -0400 | [diff] [blame] | 5311 | if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { |
| 5312 | if (is_qla8042(ha)) { |
| 5313 | if (ha->idc_info.info2 & |
| 5314 | ENABLE_INTERNAL_LOOPBACK) { |
| 5315 | ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", |
| 5316 | __func__); |
| 5317 | status = qla4_84xx_config_acb(ha, |
| 5318 | ACB_CONFIG_DISABLE); |
| 5319 | if (status != QLA_SUCCESS) { |
| 5320 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", |
| 5321 | __func__); |
| 5322 | } |
| 5323 | } |
| 5324 | } |
Nilesh Javali | 320a61d | 2012-09-20 07:35:10 -0400 | [diff] [blame] | 5325 | qla4_83xx_post_idc_ack(ha); |
Nilesh Javali | 7ab284c | 2013-08-16 07:03:03 -0400 | [diff] [blame] | 5326 | clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); |
| 5327 | } |
| 5328 | |
| 5329 | if (is_qla8042(ha) && |
| 5330 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { |
| 5331 | ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", |
| 5332 | __func__); |
| 5333 | if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != |
| 5334 | QLA_SUCCESS) { |
| 5335 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", |
| 5336 | __func__); |
| 5337 | } |
| 5338 | clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); |
| 5339 | } |
Nilesh Javali | 320a61d | 2012-09-20 07:35:10 -0400 | [diff] [blame] | 5340 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5341 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
| 5342 | qla4_8xxx_need_qsnt_handler(ha); |
| 5343 | } |
| 5344 | } |
| 5345 | |
| 5346 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && |
| 5347 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5348 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5349 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 5350 | if ((is_qla8022(ha) && ql4xdontresethba) || |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 5351 | ((is_qla8032(ha) || is_qla8042(ha)) && |
| 5352 | qla4_83xx_idc_dontreset(ha))) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5353 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
| 5354 | ha->host_no, __func__)); |
| 5355 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 5356 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); |
| 5357 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
| 5358 | goto dpc_post_reset_ha; |
| 5359 | } |
| 5360 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
| 5361 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
| 5362 | qla4xxx_recover_adapter(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5363 | |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 5364 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5365 | uint8_t wait_time = RESET_INTR_TOV; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5366 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5367 | while ((readw(&ha->reg->ctrl_status) & |
| 5368 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { |
| 5369 | if (--wait_time == 0) |
| 5370 | break; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5371 | msleep(1000); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5372 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5373 | if (wait_time == 0) |
| 5374 | DEBUG2(printk("scsi%ld: %s: SR|FSR " |
| 5375 | "bit not cleared-- resetting\n", |
| 5376 | ha->host_no, __func__)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5377 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 5378 | if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { |
| 5379 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5380 | status = qla4xxx_recover_adapter(ha); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 5381 | } |
| 5382 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); |
| 5383 | if (status == QLA_SUCCESS) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5384 | ha->isp_ops->enable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5385 | } |
| 5386 | } |
| 5387 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5388 | dpc_post_reset_ha: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5389 | /* ---- process AEN? --- */ |
| 5390 | if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) |
| 5391 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); |
| 5392 | |
| 5393 | /* ---- Get DHCP IP Address? --- */ |
| 5394 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) |
| 5395 | qla4xxx_get_dhcp_ip_address(ha); |
| 5396 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5397 | /* ---- relogin device? --- */ |
| 5398 | if (adapter_up(ha) && |
| 5399 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { |
| 5400 | iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); |
| 5401 | } |
| 5402 | |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 5403 | /* ---- link change? --- */ |
Nilesh Javali | 026fbd3 | 2013-01-20 23:50:58 -0500 | [diff] [blame] | 5404 | if (!test_bit(AF_LOOPBACK, &ha->flags) && |
| 5405 | test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 5406 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
| 5407 | /* ---- link down? --- */ |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 5408 | qla4xxx_mark_all_devices_missing(ha); |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 5409 | } else { |
| 5410 | /* ---- link up? --- * |
| 5411 | * F/W will auto login to all devices ONLY ONCE after |
| 5412 | * link up during driver initialization and runtime |
| 5413 | * fatal error recovery. Therefore, the driver must |
| 5414 | * manually relogin to devices when recovering from |
| 5415 | * connection failures, logouts, expired KATO, etc. */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5416 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { |
| 5417 | qla4xxx_build_ddb_list(ha, ha->is_reset); |
| 5418 | iscsi_host_for_each_session(ha->host, |
| 5419 | qla4xxx_login_flash_ddb); |
| 5420 | } else |
| 5421 | qla4xxx_relogin_all_devices(ha); |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 5422 | } |
| 5423 | } |
Nilesh Javali | 906cbf3 | 2014-04-09 21:12:25 -0400 | [diff] [blame] | 5424 | if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { |
| 5425 | if (qla4xxx_sysfs_ddb_export(ha)) |
| 5426 | ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", |
| 5427 | __func__); |
| 5428 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5429 | } |
| 5430 | |
| 5431 | /** |
| 5432 | * qla4xxx_free_adapter - release the adapter |
| 5433 | * @ha: pointer to adapter structure |
| 5434 | **/ |
| 5435 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) |
| 5436 | { |
Sarang Radke | 8a28896 | 2011-12-06 02:34:10 -0800 | [diff] [blame] | 5437 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5438 | |
Vikas Chaudhary | 5c19b92 | 2012-11-23 06:58:38 -0500 | [diff] [blame] | 5439 | /* Turn-off interrupts on the card. */ |
| 5440 | ha->isp_ops->disable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5441 | |
Vikas Chaudhary | d9e62e5 | 2012-08-22 07:45:25 -0400 | [diff] [blame] | 5442 | if (is_qla40XX(ha)) { |
| 5443 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), |
| 5444 | &ha->reg->ctrl_status); |
| 5445 | readl(&ha->reg->ctrl_status); |
| 5446 | } else if (is_qla8022(ha)) { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 5447 | writel(0, &ha->qla4_82xx_reg->host_int); |
| 5448 | readl(&ha->qla4_82xx_reg->host_int); |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 5449 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | fbd8107 | 2012-09-20 07:35:03 -0400 | [diff] [blame] | 5450 | writel(0, &ha->qla4_83xx_reg->risc_intr); |
| 5451 | readl(&ha->qla4_83xx_reg->risc_intr); |
Vikas Chaudhary | d9e62e5 | 2012-08-22 07:45:25 -0400 | [diff] [blame] | 5452 | } |
| 5453 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5454 | /* Remove timer thread, if present */ |
| 5455 | if (ha->timer_active) |
| 5456 | qla4xxx_stop_timer(ha); |
| 5457 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5458 | /* Kill the kernel thread for this host */ |
| 5459 | if (ha->dpc_thread) |
| 5460 | destroy_workqueue(ha->dpc_thread); |
| 5461 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 5462 | /* Kill the kernel thread for this host */ |
| 5463 | if (ha->task_wq) |
| 5464 | destroy_workqueue(ha->task_wq); |
| 5465 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5466 | /* Put firmware in known state */ |
| 5467 | ha->isp_ops->reset_firmware(ha); |
| 5468 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 5469 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 5470 | ha->isp_ops->idc_lock(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5471 | qla4_8xxx_clear_drv_active(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 5472 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5473 | } |
| 5474 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5475 | /* Detach interrupts */ |
Vikas Chaudhary | 5c19b92 | 2012-11-23 06:58:38 -0500 | [diff] [blame] | 5476 | qla4xxx_free_irqs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5477 | |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 5478 | /* free extra memory */ |
| 5479 | qla4xxx_mem_free(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5480 | } |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 5481 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5482 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) |
| 5483 | { |
| 5484 | int status = 0; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5485 | unsigned long mem_base, mem_len, db_base, db_len; |
| 5486 | struct pci_dev *pdev = ha->pdev; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5487 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5488 | status = pci_request_regions(pdev, DRIVER_NAME); |
| 5489 | if (status) { |
| 5490 | printk(KERN_WARNING |
| 5491 | "scsi(%ld) Failed to reserve PIO regions (%s) " |
| 5492 | "status=%d\n", ha->host_no, pci_name(pdev), status); |
| 5493 | goto iospace_error_exit; |
| 5494 | } |
| 5495 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5496 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", |
Sergei Shtylyov | 7d7311c | 2012-03-14 22:04:30 +0300 | [diff] [blame] | 5497 | __func__, pdev->revision)); |
| 5498 | ha->revision_id = pdev->revision; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5499 | |
| 5500 | /* remap phys address */ |
| 5501 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ |
| 5502 | mem_len = pci_resource_len(pdev, 0); |
| 5503 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", |
| 5504 | __func__, mem_base, mem_len)); |
| 5505 | |
| 5506 | /* mapping of pcibase pointer */ |
| 5507 | ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); |
| 5508 | if (!ha->nx_pcibase) { |
| 5509 | printk(KERN_ERR |
| 5510 | "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); |
| 5511 | pci_release_regions(ha->pdev); |
| 5512 | goto iospace_error_exit; |
| 5513 | } |
| 5514 | |
| 5515 | /* Mapping of IO base pointer, door bell read and write pointer */ |
| 5516 | |
| 5517 | /* mapping of IO base pointer */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 5518 | if (is_qla8022(ha)) { |
| 5519 | ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) |
| 5520 | ((uint8_t *)ha->nx_pcibase + 0xbc000 + |
| 5521 | (ha->pdev->devfn << 11)); |
| 5522 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : |
| 5523 | QLA82XX_CAM_RAM_DB2); |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 5524 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 5525 | ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) |
| 5526 | ((uint8_t *)ha->nx_pcibase); |
| 5527 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5528 | |
| 5529 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ |
| 5530 | db_len = pci_resource_len(pdev, 4); |
| 5531 | |
Shyam Sundar | 2657c80 | 2010-10-06 22:50:29 -0700 | [diff] [blame] | 5532 | return 0; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5533 | iospace_error_exit: |
| 5534 | return -ENOMEM; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5535 | } |
| 5536 | |
| 5537 | /*** |
| 5538 | * qla4xxx_iospace_config - maps registers |
| 5539 | * @ha: pointer to adapter structure |
| 5540 | * |
| 5541 | * This routines maps HBA's registers from the pci address space |
| 5542 | * into the kernel virtual address space for memory mapped i/o. |
| 5543 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5544 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5545 | { |
| 5546 | unsigned long pio, pio_len, pio_flags; |
| 5547 | unsigned long mmio, mmio_len, mmio_flags; |
| 5548 | |
| 5549 | pio = pci_resource_start(ha->pdev, 0); |
| 5550 | pio_len = pci_resource_len(ha->pdev, 0); |
| 5551 | pio_flags = pci_resource_flags(ha->pdev, 0); |
| 5552 | if (pio_flags & IORESOURCE_IO) { |
| 5553 | if (pio_len < MIN_IOBASE_LEN) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 5554 | ql4_printk(KERN_WARNING, ha, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5555 | "Invalid PCI I/O region size\n"); |
| 5556 | pio = 0; |
| 5557 | } |
| 5558 | } else { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 5559 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5560 | pio = 0; |
| 5561 | } |
| 5562 | |
| 5563 | /* Use MMIO operations for all accesses. */ |
| 5564 | mmio = pci_resource_start(ha->pdev, 1); |
| 5565 | mmio_len = pci_resource_len(ha->pdev, 1); |
| 5566 | mmio_flags = pci_resource_flags(ha->pdev, 1); |
| 5567 | |
| 5568 | if (!(mmio_flags & IORESOURCE_MEM)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 5569 | ql4_printk(KERN_ERR, ha, |
| 5570 | "region #0 not an MMIO resource, aborting\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5571 | |
| 5572 | goto iospace_error_exit; |
| 5573 | } |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 5574 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5575 | if (mmio_len < MIN_IOBASE_LEN) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 5576 | ql4_printk(KERN_ERR, ha, |
| 5577 | "Invalid PCI mem region size, aborting\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5578 | goto iospace_error_exit; |
| 5579 | } |
| 5580 | |
| 5581 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 5582 | ql4_printk(KERN_WARNING, ha, |
| 5583 | "Failed to reserve PIO/MMIO regions\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5584 | |
| 5585 | goto iospace_error_exit; |
| 5586 | } |
| 5587 | |
| 5588 | ha->pio_address = pio; |
| 5589 | ha->pio_length = pio_len; |
| 5590 | ha->reg = ioremap(mmio, MIN_IOBASE_LEN); |
| 5591 | if (!ha->reg) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 5592 | ql4_printk(KERN_ERR, ha, |
| 5593 | "cannot remap MMIO, aborting\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 5594 | |
| 5595 | goto iospace_error_exit; |
| 5596 | } |
| 5597 | |
| 5598 | return 0; |
| 5599 | |
| 5600 | iospace_error_exit: |
| 5601 | return -ENOMEM; |
| 5602 | } |
| 5603 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5604 | static struct isp_operations qla4xxx_isp_ops = { |
| 5605 | .iospace_config = qla4xxx_iospace_config, |
| 5606 | .pci_config = qla4xxx_pci_config, |
| 5607 | .disable_intrs = qla4xxx_disable_intrs, |
| 5608 | .enable_intrs = qla4xxx_enable_intrs, |
| 5609 | .start_firmware = qla4xxx_start_firmware, |
| 5610 | .intr_handler = qla4xxx_intr_handler, |
| 5611 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, |
| 5612 | .reset_chip = qla4xxx_soft_reset, |
| 5613 | .reset_firmware = qla4xxx_hw_reset, |
| 5614 | .queue_iocb = qla4xxx_queue_iocb, |
| 5615 | .complete_iocb = qla4xxx_complete_iocb, |
| 5616 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
| 5617 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, |
| 5618 | .get_sys_info = qla4xxx_get_sys_info, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 5619 | .queue_mailbox_command = qla4xxx_queue_mbox_cmd, |
| 5620 | .process_mailbox_interrupt = qla4xxx_process_mbox_intr, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5621 | }; |
| 5622 | |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 5623 | static struct isp_operations qla4_82xx_isp_ops = { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5624 | .iospace_config = qla4_8xxx_iospace_config, |
| 5625 | .pci_config = qla4_8xxx_pci_config, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 5626 | .disable_intrs = qla4_82xx_disable_intrs, |
| 5627 | .enable_intrs = qla4_82xx_enable_intrs, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5628 | .start_firmware = qla4_8xxx_load_risc, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 5629 | .restart_firmware = qla4_82xx_try_start_fw, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 5630 | .intr_handler = qla4_82xx_intr_handler, |
| 5631 | .interrupt_service_routine = qla4_82xx_interrupt_service_routine, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 5632 | .need_reset = qla4_8xxx_need_reset, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 5633 | .reset_chip = qla4_82xx_isp_reset, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5634 | .reset_firmware = qla4_8xxx_stop_firmware, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 5635 | .queue_iocb = qla4_82xx_queue_iocb, |
| 5636 | .complete_iocb = qla4_82xx_complete_iocb, |
| 5637 | .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, |
| 5638 | .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5639 | .get_sys_info = qla4_8xxx_get_sys_info, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 5640 | .rd_reg_direct = qla4_82xx_rd_32, |
| 5641 | .wr_reg_direct = qla4_82xx_wr_32, |
| 5642 | .rd_reg_indirect = qla4_82xx_md_rd_32, |
| 5643 | .wr_reg_indirect = qla4_82xx_md_wr_32, |
| 5644 | .idc_lock = qla4_82xx_idc_lock, |
| 5645 | .idc_unlock = qla4_82xx_idc_unlock, |
| 5646 | .rom_lock_recovery = qla4_82xx_rom_lock_recovery, |
| 5647 | .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, |
| 5648 | .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5649 | }; |
| 5650 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 5651 | static struct isp_operations qla4_83xx_isp_ops = { |
| 5652 | .iospace_config = qla4_8xxx_iospace_config, |
| 5653 | .pci_config = qla4_8xxx_pci_config, |
| 5654 | .disable_intrs = qla4_83xx_disable_intrs, |
| 5655 | .enable_intrs = qla4_83xx_enable_intrs, |
| 5656 | .start_firmware = qla4_8xxx_load_risc, |
| 5657 | .restart_firmware = qla4_83xx_start_firmware, |
| 5658 | .intr_handler = qla4_83xx_intr_handler, |
| 5659 | .interrupt_service_routine = qla4_83xx_interrupt_service_routine, |
| 5660 | .need_reset = qla4_8xxx_need_reset, |
| 5661 | .reset_chip = qla4_83xx_isp_reset, |
| 5662 | .reset_firmware = qla4_8xxx_stop_firmware, |
| 5663 | .queue_iocb = qla4_83xx_queue_iocb, |
| 5664 | .complete_iocb = qla4_83xx_complete_iocb, |
Tej Parkash | a24058f9 | 2013-03-07 05:43:13 -0500 | [diff] [blame] | 5665 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
| 5666 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 5667 | .get_sys_info = qla4_8xxx_get_sys_info, |
| 5668 | .rd_reg_direct = qla4_83xx_rd_reg, |
| 5669 | .wr_reg_direct = qla4_83xx_wr_reg, |
| 5670 | .rd_reg_indirect = qla4_83xx_rd_reg_indirect, |
| 5671 | .wr_reg_indirect = qla4_83xx_wr_reg_indirect, |
| 5672 | .idc_lock = qla4_83xx_drv_lock, |
| 5673 | .idc_unlock = qla4_83xx_drv_unlock, |
| 5674 | .rom_lock_recovery = qla4_83xx_rom_lock_recovery, |
| 5675 | .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, |
| 5676 | .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5677 | }; |
| 5678 | |
| 5679 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
| 5680 | { |
| 5681 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); |
| 5682 | } |
| 5683 | |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 5684 | uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5685 | { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 5686 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5687 | } |
| 5688 | |
| 5689 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
| 5690 | { |
| 5691 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); |
| 5692 | } |
| 5693 | |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 5694 | uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5695 | { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 5696 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 5697 | } |
| 5698 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5699 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
| 5700 | { |
| 5701 | struct scsi_qla_host *ha = data; |
| 5702 | char *str = buf; |
| 5703 | int rc; |
| 5704 | |
| 5705 | switch (type) { |
| 5706 | case ISCSI_BOOT_ETH_FLAGS: |
| 5707 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); |
| 5708 | break; |
| 5709 | case ISCSI_BOOT_ETH_INDEX: |
| 5710 | rc = sprintf(str, "0\n"); |
| 5711 | break; |
| 5712 | case ISCSI_BOOT_ETH_MAC: |
| 5713 | rc = sysfs_format_mac(str, ha->my_mac, |
| 5714 | MAC_ADDR_LEN); |
| 5715 | break; |
| 5716 | default: |
| 5717 | rc = -ENOSYS; |
| 5718 | break; |
| 5719 | } |
| 5720 | return rc; |
| 5721 | } |
| 5722 | |
Al Viro | 587a1f1 | 2011-07-23 23:11:19 -0400 | [diff] [blame] | 5723 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5724 | { |
| 5725 | int rc; |
| 5726 | |
| 5727 | switch (type) { |
| 5728 | case ISCSI_BOOT_ETH_FLAGS: |
| 5729 | case ISCSI_BOOT_ETH_MAC: |
| 5730 | case ISCSI_BOOT_ETH_INDEX: |
| 5731 | rc = S_IRUGO; |
| 5732 | break; |
| 5733 | default: |
| 5734 | rc = 0; |
| 5735 | break; |
| 5736 | } |
| 5737 | return rc; |
| 5738 | } |
| 5739 | |
| 5740 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) |
| 5741 | { |
| 5742 | struct scsi_qla_host *ha = data; |
| 5743 | char *str = buf; |
| 5744 | int rc; |
| 5745 | |
| 5746 | switch (type) { |
| 5747 | case ISCSI_BOOT_INI_INITIATOR_NAME: |
| 5748 | rc = sprintf(str, "%s\n", ha->name_string); |
| 5749 | break; |
| 5750 | default: |
| 5751 | rc = -ENOSYS; |
| 5752 | break; |
| 5753 | } |
| 5754 | return rc; |
| 5755 | } |
| 5756 | |
Al Viro | 587a1f1 | 2011-07-23 23:11:19 -0400 | [diff] [blame] | 5757 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5758 | { |
| 5759 | int rc; |
| 5760 | |
| 5761 | switch (type) { |
| 5762 | case ISCSI_BOOT_INI_INITIATOR_NAME: |
| 5763 | rc = S_IRUGO; |
| 5764 | break; |
| 5765 | default: |
| 5766 | rc = 0; |
| 5767 | break; |
| 5768 | } |
| 5769 | return rc; |
| 5770 | } |
| 5771 | |
| 5772 | static ssize_t |
| 5773 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, |
| 5774 | char *buf) |
| 5775 | { |
| 5776 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; |
| 5777 | char *str = buf; |
| 5778 | int rc; |
| 5779 | |
| 5780 | switch (type) { |
| 5781 | case ISCSI_BOOT_TGT_NAME: |
| 5782 | rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); |
| 5783 | break; |
| 5784 | case ISCSI_BOOT_TGT_IP_ADDR: |
| 5785 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) |
| 5786 | rc = sprintf(buf, "%pI4\n", |
| 5787 | &boot_conn->dest_ipaddr.ip_address); |
| 5788 | else |
| 5789 | rc = sprintf(str, "%pI6\n", |
| 5790 | &boot_conn->dest_ipaddr.ip_address); |
| 5791 | break; |
| 5792 | case ISCSI_BOOT_TGT_PORT: |
| 5793 | rc = sprintf(str, "%d\n", boot_conn->dest_port); |
| 5794 | break; |
| 5795 | case ISCSI_BOOT_TGT_CHAP_NAME: |
| 5796 | rc = sprintf(str, "%.*s\n", |
| 5797 | boot_conn->chap.target_chap_name_length, |
| 5798 | (char *)&boot_conn->chap.target_chap_name); |
| 5799 | break; |
| 5800 | case ISCSI_BOOT_TGT_CHAP_SECRET: |
| 5801 | rc = sprintf(str, "%.*s\n", |
| 5802 | boot_conn->chap.target_secret_length, |
| 5803 | (char *)&boot_conn->chap.target_secret); |
| 5804 | break; |
| 5805 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: |
| 5806 | rc = sprintf(str, "%.*s\n", |
| 5807 | boot_conn->chap.intr_chap_name_length, |
| 5808 | (char *)&boot_conn->chap.intr_chap_name); |
| 5809 | break; |
| 5810 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: |
| 5811 | rc = sprintf(str, "%.*s\n", |
| 5812 | boot_conn->chap.intr_secret_length, |
| 5813 | (char *)&boot_conn->chap.intr_secret); |
| 5814 | break; |
| 5815 | case ISCSI_BOOT_TGT_FLAGS: |
| 5816 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); |
| 5817 | break; |
| 5818 | case ISCSI_BOOT_TGT_NIC_ASSOC: |
| 5819 | rc = sprintf(str, "0\n"); |
| 5820 | break; |
| 5821 | default: |
| 5822 | rc = -ENOSYS; |
| 5823 | break; |
| 5824 | } |
| 5825 | return rc; |
| 5826 | } |
| 5827 | |
| 5828 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) |
| 5829 | { |
| 5830 | struct scsi_qla_host *ha = data; |
| 5831 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); |
| 5832 | |
| 5833 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); |
| 5834 | } |
| 5835 | |
| 5836 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) |
| 5837 | { |
| 5838 | struct scsi_qla_host *ha = data; |
| 5839 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); |
| 5840 | |
| 5841 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); |
| 5842 | } |
| 5843 | |
Al Viro | 587a1f1 | 2011-07-23 23:11:19 -0400 | [diff] [blame] | 5844 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5845 | { |
| 5846 | int rc; |
| 5847 | |
| 5848 | switch (type) { |
| 5849 | case ISCSI_BOOT_TGT_NAME: |
| 5850 | case ISCSI_BOOT_TGT_IP_ADDR: |
| 5851 | case ISCSI_BOOT_TGT_PORT: |
| 5852 | case ISCSI_BOOT_TGT_CHAP_NAME: |
| 5853 | case ISCSI_BOOT_TGT_CHAP_SECRET: |
| 5854 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: |
| 5855 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: |
| 5856 | case ISCSI_BOOT_TGT_NIC_ASSOC: |
| 5857 | case ISCSI_BOOT_TGT_FLAGS: |
| 5858 | rc = S_IRUGO; |
| 5859 | break; |
| 5860 | default: |
| 5861 | rc = 0; |
| 5862 | break; |
| 5863 | } |
| 5864 | return rc; |
| 5865 | } |
| 5866 | |
| 5867 | static void qla4xxx_boot_release(void *data) |
| 5868 | { |
| 5869 | struct scsi_qla_host *ha = data; |
| 5870 | |
| 5871 | scsi_host_put(ha->host); |
| 5872 | } |
| 5873 | |
| 5874 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) |
| 5875 | { |
| 5876 | dma_addr_t buf_dma; |
| 5877 | uint32_t addr, pri_addr, sec_addr; |
| 5878 | uint32_t offset; |
| 5879 | uint16_t func_num; |
| 5880 | uint8_t val; |
| 5881 | uint8_t *buf = NULL; |
| 5882 | size_t size = 13 * sizeof(uint8_t); |
| 5883 | int ret = QLA_SUCCESS; |
| 5884 | |
| 5885 | func_num = PCI_FUNC(ha->pdev->devfn); |
| 5886 | |
Manish Rangankar | 0d5b36b | 2011-10-07 16:55:51 -0700 | [diff] [blame] | 5887 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", |
| 5888 | __func__, ha->pdev->device, func_num); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5889 | |
Manish Rangankar | 0d5b36b | 2011-10-07 16:55:51 -0700 | [diff] [blame] | 5890 | if (is_qla40XX(ha)) { |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5891 | if (func_num == 1) { |
| 5892 | addr = NVRAM_PORT0_BOOT_MODE; |
| 5893 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; |
| 5894 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; |
| 5895 | } else if (func_num == 3) { |
| 5896 | addr = NVRAM_PORT1_BOOT_MODE; |
| 5897 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; |
| 5898 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; |
| 5899 | } else { |
| 5900 | ret = QLA_ERROR; |
| 5901 | goto exit_boot_info; |
| 5902 | } |
| 5903 | |
| 5904 | /* Check Boot Mode */ |
| 5905 | val = rd_nvram_byte(ha, addr); |
| 5906 | if (!(val & 0x07)) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 5907 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
| 5908 | "options : 0x%x\n", __func__, val)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5909 | ret = QLA_ERROR; |
| 5910 | goto exit_boot_info; |
| 5911 | } |
| 5912 | |
| 5913 | /* get primary valid target index */ |
| 5914 | val = rd_nvram_byte(ha, pri_addr); |
| 5915 | if (val & BIT_7) |
| 5916 | ddb_index[0] = (val & 0x7f); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5917 | |
| 5918 | /* get secondary valid target index */ |
| 5919 | val = rd_nvram_byte(ha, sec_addr); |
| 5920 | if (val & BIT_7) |
| 5921 | ddb_index[1] = (val & 0x7f); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5922 | |
Vikas Chaudhary | 3e788fb | 2013-03-07 05:43:08 -0500 | [diff] [blame] | 5923 | } else if (is_qla80XX(ha)) { |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5924 | buf = dma_alloc_coherent(&ha->pdev->dev, size, |
| 5925 | &buf_dma, GFP_KERNEL); |
| 5926 | if (!buf) { |
| 5927 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 5928 | "%s: Unable to allocate dma buffer\n", |
| 5929 | __func__)); |
| 5930 | ret = QLA_ERROR; |
| 5931 | goto exit_boot_info; |
| 5932 | } |
| 5933 | |
| 5934 | if (ha->port_num == 0) |
| 5935 | offset = BOOT_PARAM_OFFSET_PORT0; |
| 5936 | else if (ha->port_num == 1) |
| 5937 | offset = BOOT_PARAM_OFFSET_PORT1; |
| 5938 | else { |
| 5939 | ret = QLA_ERROR; |
| 5940 | goto exit_boot_info_free; |
| 5941 | } |
| 5942 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + |
| 5943 | offset; |
| 5944 | if (qla4xxx_get_flash(ha, buf_dma, addr, |
| 5945 | 13 * sizeof(uint8_t)) != QLA_SUCCESS) { |
| 5946 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" |
Petr Uzel | 0bd7f84 | 2012-02-24 16:32:59 +0100 | [diff] [blame] | 5947 | " failed\n", ha->host_no, __func__)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5948 | ret = QLA_ERROR; |
| 5949 | goto exit_boot_info_free; |
| 5950 | } |
| 5951 | /* Check Boot Mode */ |
| 5952 | if (!(buf[1] & 0x07)) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 5953 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
| 5954 | " : 0x%x\n", buf[1])); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5955 | ret = QLA_ERROR; |
| 5956 | goto exit_boot_info_free; |
| 5957 | } |
| 5958 | |
| 5959 | /* get primary valid target index */ |
| 5960 | if (buf[2] & BIT_7) |
| 5961 | ddb_index[0] = buf[2] & 0x7f; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5962 | |
| 5963 | /* get secondary valid target index */ |
| 5964 | if (buf[11] & BIT_7) |
| 5965 | ddb_index[1] = buf[11] & 0x7f; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5966 | } else { |
| 5967 | ret = QLA_ERROR; |
| 5968 | goto exit_boot_info; |
| 5969 | } |
| 5970 | |
| 5971 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" |
| 5972 | " target ID %d\n", __func__, ddb_index[0], |
| 5973 | ddb_index[1])); |
| 5974 | |
| 5975 | exit_boot_info_free: |
| 5976 | dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); |
| 5977 | exit_boot_info: |
Lalit Chandivade | 20e835b | 2012-02-13 18:30:42 +0530 | [diff] [blame] | 5978 | ha->pri_ddb_idx = ddb_index[0]; |
| 5979 | ha->sec_ddb_idx = ddb_index[1]; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 5980 | return ret; |
| 5981 | } |
| 5982 | |
Lalit Chandivade | 28deb45 | 2011-10-07 16:55:44 -0700 | [diff] [blame] | 5983 | /** |
| 5984 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password |
| 5985 | * @ha: pointer to adapter structure |
| 5986 | * @username: CHAP username to be returned |
| 5987 | * @password: CHAP password to be returned |
| 5988 | * |
| 5989 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP |
| 5990 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. |
| 5991 | * So from the CHAP cache find the first BIDI CHAP entry and set it |
| 5992 | * to the boot record in sysfs. |
| 5993 | **/ |
| 5994 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, |
| 5995 | char *password) |
| 5996 | { |
| 5997 | int i, ret = -EINVAL; |
| 5998 | int max_chap_entries = 0; |
| 5999 | struct ql4_chap_table *chap_table; |
| 6000 | |
Vikas Chaudhary | d11b0ca | 2013-03-22 07:08:31 -0400 | [diff] [blame] | 6001 | if (is_qla80XX(ha)) |
Lalit Chandivade | 28deb45 | 2011-10-07 16:55:44 -0700 | [diff] [blame] | 6002 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 6003 | sizeof(struct ql4_chap_table); |
| 6004 | else |
| 6005 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 6006 | |
| 6007 | if (!ha->chap_list) { |
| 6008 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); |
| 6009 | return ret; |
| 6010 | } |
| 6011 | |
| 6012 | mutex_lock(&ha->chap_sem); |
| 6013 | for (i = 0; i < max_chap_entries; i++) { |
| 6014 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
| 6015 | if (chap_table->cookie != |
| 6016 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { |
| 6017 | continue; |
| 6018 | } |
| 6019 | |
| 6020 | if (chap_table->flags & BIT_7) /* local */ |
| 6021 | continue; |
| 6022 | |
| 6023 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ |
| 6024 | continue; |
| 6025 | |
Rickard Strandqvist | bdbb966 | 2014-07-26 16:49:32 +0200 | [diff] [blame] | 6026 | strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); |
| 6027 | strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); |
Lalit Chandivade | 28deb45 | 2011-10-07 16:55:44 -0700 | [diff] [blame] | 6028 | ret = 0; |
| 6029 | break; |
| 6030 | } |
| 6031 | mutex_unlock(&ha->chap_sem); |
| 6032 | |
| 6033 | return ret; |
| 6034 | } |
| 6035 | |
| 6036 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6037 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
| 6038 | struct ql4_boot_session_info *boot_sess, |
| 6039 | uint16_t ddb_index) |
| 6040 | { |
| 6041 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; |
| 6042 | struct dev_db_entry *fw_ddb_entry; |
| 6043 | dma_addr_t fw_ddb_entry_dma; |
| 6044 | uint16_t idx; |
| 6045 | uint16_t options; |
| 6046 | int ret = QLA_SUCCESS; |
| 6047 | |
| 6048 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 6049 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 6050 | if (!fw_ddb_entry) { |
| 6051 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 6052 | "%s: Unable to allocate dma buffer.\n", |
| 6053 | __func__)); |
| 6054 | ret = QLA_ERROR; |
| 6055 | return ret; |
| 6056 | } |
| 6057 | |
| 6058 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, |
| 6059 | fw_ddb_entry_dma, ddb_index)) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 6060 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
| 6061 | "index [%d]\n", __func__, ddb_index)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6062 | ret = QLA_ERROR; |
| 6063 | goto exit_boot_target; |
| 6064 | } |
| 6065 | |
| 6066 | /* Update target name and IP from DDB */ |
| 6067 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, |
| 6068 | min(sizeof(boot_sess->target_name), |
| 6069 | sizeof(fw_ddb_entry->iscsi_name))); |
| 6070 | |
| 6071 | options = le16_to_cpu(fw_ddb_entry->options); |
| 6072 | if (options & DDB_OPT_IPV6_DEVICE) { |
| 6073 | memcpy(&boot_conn->dest_ipaddr.ip_address, |
| 6074 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); |
| 6075 | } else { |
| 6076 | boot_conn->dest_ipaddr.ip_type = 0x1; |
| 6077 | memcpy(&boot_conn->dest_ipaddr.ip_address, |
| 6078 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); |
| 6079 | } |
| 6080 | |
| 6081 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); |
| 6082 | |
| 6083 | /* update chap information */ |
| 6084 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
| 6085 | |
| 6086 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { |
| 6087 | |
| 6088 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); |
| 6089 | |
| 6090 | ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. |
| 6091 | target_chap_name, |
| 6092 | (char *)&boot_conn->chap.target_secret, |
| 6093 | idx); |
| 6094 | if (ret) { |
| 6095 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); |
| 6096 | ret = QLA_ERROR; |
| 6097 | goto exit_boot_target; |
| 6098 | } |
| 6099 | |
| 6100 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; |
| 6101 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; |
| 6102 | } |
| 6103 | |
| 6104 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { |
| 6105 | |
| 6106 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); |
| 6107 | |
Lalit Chandivade | 28deb45 | 2011-10-07 16:55:44 -0700 | [diff] [blame] | 6108 | ret = qla4xxx_get_bidi_chap(ha, |
| 6109 | (char *)&boot_conn->chap.intr_chap_name, |
| 6110 | (char *)&boot_conn->chap.intr_secret); |
| 6111 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6112 | if (ret) { |
| 6113 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); |
| 6114 | ret = QLA_ERROR; |
| 6115 | goto exit_boot_target; |
| 6116 | } |
| 6117 | |
| 6118 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; |
| 6119 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; |
| 6120 | } |
| 6121 | |
| 6122 | exit_boot_target: |
| 6123 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 6124 | fw_ddb_entry, fw_ddb_entry_dma); |
| 6125 | return ret; |
| 6126 | } |
| 6127 | |
| 6128 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) |
| 6129 | { |
| 6130 | uint16_t ddb_index[2]; |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6131 | int ret = QLA_ERROR; |
| 6132 | int rval; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6133 | |
| 6134 | memset(ddb_index, 0, sizeof(ddb_index)); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6135 | ddb_index[0] = 0xffff; |
| 6136 | ddb_index[1] = 0xffff; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6137 | ret = get_fw_boot_info(ha, ddb_index); |
| 6138 | if (ret != QLA_SUCCESS) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 6139 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 6140 | "%s: No boot target configured.\n", __func__)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6141 | return ret; |
| 6142 | } |
| 6143 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6144 | if (ql4xdisablesysfsboot) |
| 6145 | return QLA_SUCCESS; |
| 6146 | |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6147 | if (ddb_index[0] == 0xffff) |
| 6148 | goto sec_target; |
| 6149 | |
| 6150 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6151 | ddb_index[0]); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6152 | if (rval != QLA_SUCCESS) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 6153 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
| 6154 | "configured\n", __func__)); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6155 | } else |
| 6156 | ret = QLA_SUCCESS; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6157 | |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6158 | sec_target: |
| 6159 | if (ddb_index[1] == 0xffff) |
| 6160 | goto exit_get_boot_info; |
| 6161 | |
| 6162 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6163 | ddb_index[1]); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6164 | if (rval != QLA_SUCCESS) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 6165 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
| 6166 | " configured\n", __func__)); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 6167 | } else |
| 6168 | ret = QLA_SUCCESS; |
| 6169 | |
| 6170 | exit_get_boot_info: |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6171 | return ret; |
| 6172 | } |
| 6173 | |
| 6174 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) |
| 6175 | { |
| 6176 | struct iscsi_boot_kobj *boot_kobj; |
| 6177 | |
| 6178 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6179 | return QLA_ERROR; |
| 6180 | |
| 6181 | if (ql4xdisablesysfsboot) { |
| 6182 | ql4_printk(KERN_INFO, ha, |
Petr Uzel | 0bd7f84 | 2012-02-24 16:32:59 +0100 | [diff] [blame] | 6183 | "%s: syfsboot disabled - driver will trigger login " |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6184 | "and publish session for discovery .\n", __func__); |
| 6185 | return QLA_SUCCESS; |
| 6186 | } |
| 6187 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6188 | |
| 6189 | ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); |
| 6190 | if (!ha->boot_kset) |
| 6191 | goto kset_free; |
| 6192 | |
| 6193 | if (!scsi_host_get(ha->host)) |
| 6194 | goto kset_free; |
| 6195 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, |
| 6196 | qla4xxx_show_boot_tgt_pri_info, |
| 6197 | qla4xxx_tgt_get_attr_visibility, |
| 6198 | qla4xxx_boot_release); |
| 6199 | if (!boot_kobj) |
| 6200 | goto put_host; |
| 6201 | |
| 6202 | if (!scsi_host_get(ha->host)) |
| 6203 | goto kset_free; |
| 6204 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, |
| 6205 | qla4xxx_show_boot_tgt_sec_info, |
| 6206 | qla4xxx_tgt_get_attr_visibility, |
| 6207 | qla4xxx_boot_release); |
| 6208 | if (!boot_kobj) |
| 6209 | goto put_host; |
| 6210 | |
| 6211 | if (!scsi_host_get(ha->host)) |
| 6212 | goto kset_free; |
| 6213 | boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, |
| 6214 | qla4xxx_show_boot_ini_info, |
| 6215 | qla4xxx_ini_get_attr_visibility, |
| 6216 | qla4xxx_boot_release); |
| 6217 | if (!boot_kobj) |
| 6218 | goto put_host; |
| 6219 | |
| 6220 | if (!scsi_host_get(ha->host)) |
| 6221 | goto kset_free; |
| 6222 | boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, |
| 6223 | qla4xxx_show_boot_eth_info, |
| 6224 | qla4xxx_eth_get_attr_visibility, |
| 6225 | qla4xxx_boot_release); |
| 6226 | if (!boot_kobj) |
| 6227 | goto put_host; |
| 6228 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6229 | return QLA_SUCCESS; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 6230 | |
| 6231 | put_host: |
| 6232 | scsi_host_put(ha->host); |
| 6233 | kset_free: |
| 6234 | iscsi_boot_destroy_kset(ha->boot_kset); |
| 6235 | return -ENOMEM; |
| 6236 | } |
| 6237 | |
Lalit Chandivade | 4549415 | 2011-10-07 16:55:42 -0700 | [diff] [blame] | 6238 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6239 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
| 6240 | struct ql4_tuple_ddb *tddb) |
| 6241 | { |
| 6242 | struct scsi_qla_host *ha; |
| 6243 | struct iscsi_cls_session *cls_sess; |
| 6244 | struct iscsi_cls_conn *cls_conn; |
| 6245 | struct iscsi_session *sess; |
| 6246 | struct iscsi_conn *conn; |
| 6247 | |
| 6248 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 6249 | ha = ddb_entry->ha; |
| 6250 | cls_sess = ddb_entry->sess; |
| 6251 | sess = cls_sess->dd_data; |
| 6252 | cls_conn = ddb_entry->conn; |
| 6253 | conn = cls_conn->dd_data; |
| 6254 | |
| 6255 | tddb->tpgt = sess->tpgt; |
| 6256 | tddb->port = conn->persistent_port; |
Rickard Strandqvist | bdbb966 | 2014-07-26 16:49:32 +0200 | [diff] [blame] | 6257 | strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); |
| 6258 | strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6259 | } |
| 6260 | |
| 6261 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 6262 | struct ql4_tuple_ddb *tddb, |
| 6263 | uint8_t *flash_isid) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6264 | { |
| 6265 | uint16_t options = 0; |
| 6266 | |
| 6267 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
| 6268 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], |
| 6269 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); |
| 6270 | |
| 6271 | options = le16_to_cpu(fw_ddb_entry->options); |
| 6272 | if (options & DDB_OPT_IPV6_DEVICE) |
| 6273 | sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); |
| 6274 | else |
| 6275 | sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); |
| 6276 | |
| 6277 | tddb->port = le16_to_cpu(fw_ddb_entry->port); |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 6278 | |
| 6279 | if (flash_isid == NULL) |
| 6280 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], |
| 6281 | sizeof(tddb->isid)); |
| 6282 | else |
| 6283 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6284 | } |
| 6285 | |
| 6286 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, |
| 6287 | struct ql4_tuple_ddb *old_tddb, |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 6288 | struct ql4_tuple_ddb *new_tddb, |
| 6289 | uint8_t is_isid_compare) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6290 | { |
| 6291 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) |
| 6292 | return QLA_ERROR; |
| 6293 | |
| 6294 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) |
| 6295 | return QLA_ERROR; |
| 6296 | |
| 6297 | if (old_tddb->port != new_tddb->port) |
| 6298 | return QLA_ERROR; |
| 6299 | |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 6300 | /* For multi sessions, driver generates the ISID, so do not compare |
Masanari Iida | 59e13d4 | 2012-04-25 00:24:16 +0900 | [diff] [blame] | 6301 | * ISID in reset path since it would be a comparison between the |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 6302 | * driver generated ISID and firmware generated ISID. This could |
| 6303 | * lead to adding duplicated DDBs in the list as driver generated |
| 6304 | * ISID would not match firmware generated ISID. |
| 6305 | */ |
| 6306 | if (is_isid_compare) { |
| 6307 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" |
| 6308 | "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", |
| 6309 | __func__, old_tddb->isid[5], old_tddb->isid[4], |
| 6310 | old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], |
| 6311 | old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], |
| 6312 | new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], |
| 6313 | new_tddb->isid[0])); |
| 6314 | |
| 6315 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], |
| 6316 | sizeof(old_tddb->isid))) |
| 6317 | return QLA_ERROR; |
| 6318 | } |
| 6319 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6320 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 6321 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", |
| 6322 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, |
| 6323 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, |
| 6324 | new_tddb->ip_addr, new_tddb->iscsi_name)); |
| 6325 | |
| 6326 | return QLA_SUCCESS; |
| 6327 | } |
| 6328 | |
| 6329 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6330 | struct dev_db_entry *fw_ddb_entry, |
| 6331 | uint32_t *index) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6332 | { |
| 6333 | struct ddb_entry *ddb_entry; |
| 6334 | struct ql4_tuple_ddb *fw_tddb = NULL; |
| 6335 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
| 6336 | int idx; |
| 6337 | int ret = QLA_ERROR; |
| 6338 | |
| 6339 | fw_tddb = vzalloc(sizeof(*fw_tddb)); |
| 6340 | if (!fw_tddb) { |
| 6341 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 6342 | "Memory Allocation failed.\n")); |
| 6343 | ret = QLA_SUCCESS; |
| 6344 | goto exit_check; |
| 6345 | } |
| 6346 | |
| 6347 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); |
| 6348 | if (!tmp_tddb) { |
| 6349 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 6350 | "Memory Allocation failed.\n")); |
| 6351 | ret = QLA_SUCCESS; |
| 6352 | goto exit_check; |
| 6353 | } |
| 6354 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 6355 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6356 | |
| 6357 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
| 6358 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 6359 | if (ddb_entry == NULL) |
| 6360 | continue; |
| 6361 | |
| 6362 | qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 6363 | if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6364 | ret = QLA_SUCCESS; /* found */ |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6365 | if (index != NULL) |
| 6366 | *index = idx; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6367 | goto exit_check; |
| 6368 | } |
| 6369 | } |
| 6370 | |
| 6371 | exit_check: |
| 6372 | if (fw_tddb) |
| 6373 | vfree(fw_tddb); |
| 6374 | if (tmp_tddb) |
| 6375 | vfree(tmp_tddb); |
| 6376 | return ret; |
| 6377 | } |
| 6378 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 6379 | /** |
| 6380 | * qla4xxx_check_existing_isid - check if target with same isid exist |
| 6381 | * in target list |
| 6382 | * @list_nt: list of target |
| 6383 | * @isid: isid to check |
| 6384 | * |
| 6385 | * This routine return QLA_SUCCESS if target with same isid exist |
| 6386 | **/ |
| 6387 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) |
| 6388 | { |
| 6389 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; |
| 6390 | struct dev_db_entry *fw_ddb_entry; |
| 6391 | |
| 6392 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
| 6393 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; |
| 6394 | |
| 6395 | if (memcmp(&fw_ddb_entry->isid[0], &isid[0], |
| 6396 | sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { |
| 6397 | return QLA_SUCCESS; |
| 6398 | } |
| 6399 | } |
| 6400 | return QLA_ERROR; |
| 6401 | } |
| 6402 | |
| 6403 | /** |
| 6404 | * qla4xxx_update_isid - compare ddbs and updated isid |
| 6405 | * @ha: Pointer to host adapter structure. |
| 6406 | * @list_nt: list of nt target |
| 6407 | * @fw_ddb_entry: firmware ddb entry |
| 6408 | * |
| 6409 | * This routine update isid if ddbs have same iqn, same isid and |
| 6410 | * different IP addr. |
| 6411 | * Return QLA_SUCCESS if isid is updated. |
| 6412 | **/ |
| 6413 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, |
| 6414 | struct list_head *list_nt, |
| 6415 | struct dev_db_entry *fw_ddb_entry) |
| 6416 | { |
| 6417 | uint8_t base_value, i; |
| 6418 | |
| 6419 | base_value = fw_ddb_entry->isid[1] & 0x1f; |
| 6420 | for (i = 0; i < 8; i++) { |
| 6421 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); |
| 6422 | if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) |
| 6423 | break; |
| 6424 | } |
| 6425 | |
| 6426 | if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) |
| 6427 | return QLA_ERROR; |
| 6428 | |
| 6429 | return QLA_SUCCESS; |
| 6430 | } |
| 6431 | |
| 6432 | /** |
| 6433 | * qla4xxx_should_update_isid - check if isid need to update |
| 6434 | * @ha: Pointer to host adapter structure. |
| 6435 | * @old_tddb: ddb tuple |
| 6436 | * @new_tddb: ddb tuple |
| 6437 | * |
| 6438 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, |
| 6439 | * same isid |
| 6440 | **/ |
| 6441 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, |
| 6442 | struct ql4_tuple_ddb *old_tddb, |
| 6443 | struct ql4_tuple_ddb *new_tddb) |
| 6444 | { |
| 6445 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { |
| 6446 | /* Same ip */ |
| 6447 | if (old_tddb->port == new_tddb->port) |
| 6448 | return QLA_ERROR; |
| 6449 | } |
| 6450 | |
| 6451 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) |
| 6452 | /* different iqn */ |
| 6453 | return QLA_ERROR; |
| 6454 | |
| 6455 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], |
| 6456 | sizeof(old_tddb->isid))) |
| 6457 | /* different isid */ |
| 6458 | return QLA_ERROR; |
| 6459 | |
| 6460 | return QLA_SUCCESS; |
| 6461 | } |
| 6462 | |
| 6463 | /** |
| 6464 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt |
| 6465 | * @ha: Pointer to host adapter structure. |
| 6466 | * @list_nt: list of nt target. |
| 6467 | * @fw_ddb_entry: firmware ddb entry. |
| 6468 | * |
| 6469 | * This routine check if fw_ddb_entry already exists in list_nt to avoid |
| 6470 | * duplicate ddb in list_nt. |
| 6471 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. |
| 6472 | * Note: This function also update isid of DDB if required. |
| 6473 | **/ |
| 6474 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6475 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
| 6476 | struct list_head *list_nt, |
| 6477 | struct dev_db_entry *fw_ddb_entry) |
| 6478 | { |
| 6479 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; |
| 6480 | struct ql4_tuple_ddb *fw_tddb = NULL; |
| 6481 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 6482 | int rval, ret = QLA_ERROR; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6483 | |
| 6484 | fw_tddb = vzalloc(sizeof(*fw_tddb)); |
| 6485 | if (!fw_tddb) { |
| 6486 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 6487 | "Memory Allocation failed.\n")); |
| 6488 | ret = QLA_SUCCESS; |
| 6489 | goto exit_check; |
| 6490 | } |
| 6491 | |
| 6492 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); |
| 6493 | if (!tmp_tddb) { |
| 6494 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 6495 | "Memory Allocation failed.\n")); |
| 6496 | ret = QLA_SUCCESS; |
| 6497 | goto exit_check; |
| 6498 | } |
| 6499 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 6500 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6501 | |
| 6502 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 6503 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, |
| 6504 | nt_ddb_idx->flash_isid); |
| 6505 | ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); |
| 6506 | /* found duplicate ddb */ |
| 6507 | if (ret == QLA_SUCCESS) |
| 6508 | goto exit_check; |
| 6509 | } |
| 6510 | |
| 6511 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
| 6512 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); |
| 6513 | |
| 6514 | ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); |
| 6515 | if (ret == QLA_SUCCESS) { |
| 6516 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); |
| 6517 | if (rval == QLA_SUCCESS) |
| 6518 | ret = QLA_ERROR; |
| 6519 | else |
| 6520 | ret = QLA_SUCCESS; |
| 6521 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6522 | goto exit_check; |
| 6523 | } |
| 6524 | } |
| 6525 | |
| 6526 | exit_check: |
| 6527 | if (fw_tddb) |
| 6528 | vfree(fw_tddb); |
| 6529 | if (tmp_tddb) |
| 6530 | vfree(tmp_tddb); |
| 6531 | return ret; |
| 6532 | } |
| 6533 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6534 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6535 | { |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6536 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6537 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6538 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
| 6539 | list_del_init(&ddb_idx->list); |
| 6540 | vfree(ddb_idx); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6541 | } |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6542 | } |
| 6543 | |
| 6544 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, |
| 6545 | struct dev_db_entry *fw_ddb_entry) |
| 6546 | { |
| 6547 | struct iscsi_endpoint *ep; |
| 6548 | struct sockaddr_in *addr; |
| 6549 | struct sockaddr_in6 *addr6; |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 6550 | struct sockaddr *t_addr; |
| 6551 | struct sockaddr_storage *dst_addr; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6552 | char *ip; |
| 6553 | |
| 6554 | /* TODO: need to destroy on unload iscsi_endpoint*/ |
| 6555 | dst_addr = vmalloc(sizeof(*dst_addr)); |
| 6556 | if (!dst_addr) |
| 6557 | return NULL; |
| 6558 | |
| 6559 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 6560 | t_addr = (struct sockaddr *)dst_addr; |
| 6561 | t_addr->sa_family = AF_INET6; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6562 | addr6 = (struct sockaddr_in6 *)dst_addr; |
| 6563 | ip = (char *)&addr6->sin6_addr; |
| 6564 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); |
| 6565 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); |
| 6566 | |
| 6567 | } else { |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 6568 | t_addr = (struct sockaddr *)dst_addr; |
| 6569 | t_addr->sa_family = AF_INET; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6570 | addr = (struct sockaddr_in *)dst_addr; |
| 6571 | ip = (char *)&addr->sin_addr; |
| 6572 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); |
| 6573 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); |
| 6574 | } |
| 6575 | |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 6576 | ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6577 | vfree(dst_addr); |
| 6578 | return ep; |
| 6579 | } |
| 6580 | |
| 6581 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) |
| 6582 | { |
| 6583 | if (ql4xdisablesysfsboot) |
| 6584 | return QLA_SUCCESS; |
| 6585 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) |
| 6586 | return QLA_ERROR; |
| 6587 | return QLA_SUCCESS; |
| 6588 | } |
| 6589 | |
| 6590 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 6591 | struct ddb_entry *ddb_entry, |
| 6592 | uint16_t idx) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6593 | { |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 6594 | uint16_t def_timeout; |
| 6595 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6596 | ddb_entry->ddb_type = FLASH_DDB; |
| 6597 | ddb_entry->fw_ddb_index = INVALID_ENTRY; |
| 6598 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; |
| 6599 | ddb_entry->ha = ha; |
| 6600 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; |
| 6601 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; |
Adheer Chandravanshi | 946ac57 | 2013-09-17 07:54:46 -0400 | [diff] [blame] | 6602 | ddb_entry->chap_tbl_idx = INVALID_ENTRY; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6603 | |
| 6604 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); |
| 6605 | atomic_set(&ddb_entry->relogin_timer, 0); |
| 6606 | atomic_set(&ddb_entry->relogin_retry_count, 0); |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 6607 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6608 | ddb_entry->default_relogin_timeout = |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 6609 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
| 6610 | def_timeout : LOGIN_TOV; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6611 | ddb_entry->default_time2wait = |
| 6612 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 6613 | |
| 6614 | if (ql4xdisablesysfsboot && |
| 6615 | (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) |
| 6616 | set_bit(DF_BOOT_TGT, &ddb_entry->flags); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6617 | } |
| 6618 | |
| 6619 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) |
| 6620 | { |
| 6621 | uint32_t idx = 0; |
| 6622 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ |
| 6623 | uint32_t sts[MBOX_REG_COUNT]; |
| 6624 | uint32_t ip_state; |
| 6625 | unsigned long wtime; |
| 6626 | int ret; |
| 6627 | |
| 6628 | wtime = jiffies + (HZ * IP_CONFIG_TOV); |
| 6629 | do { |
| 6630 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { |
| 6631 | if (ip_idx[idx] == -1) |
| 6632 | continue; |
| 6633 | |
| 6634 | ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); |
| 6635 | |
| 6636 | if (ret == QLA_ERROR) { |
| 6637 | ip_idx[idx] = -1; |
| 6638 | continue; |
| 6639 | } |
| 6640 | |
| 6641 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; |
| 6642 | |
| 6643 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 6644 | "Waiting for IP state for idx = %d, state = 0x%x\n", |
| 6645 | ip_idx[idx], ip_state)); |
| 6646 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || |
| 6647 | ip_state == IP_ADDRSTATE_INVALID || |
| 6648 | ip_state == IP_ADDRSTATE_PREFERRED || |
| 6649 | ip_state == IP_ADDRSTATE_DEPRICATED || |
| 6650 | ip_state == IP_ADDRSTATE_DISABLING) |
| 6651 | ip_idx[idx] = -1; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6652 | } |
| 6653 | |
| 6654 | /* Break if all IP states checked */ |
| 6655 | if ((ip_idx[0] == -1) && |
| 6656 | (ip_idx[1] == -1) && |
| 6657 | (ip_idx[2] == -1) && |
| 6658 | (ip_idx[3] == -1)) |
| 6659 | break; |
| 6660 | schedule_timeout_uninterruptible(HZ); |
| 6661 | } while (time_after(wtime, jiffies)); |
| 6662 | } |
| 6663 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6664 | static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, |
| 6665 | struct dev_db_entry *flash_ddb_entry) |
| 6666 | { |
| 6667 | uint16_t options = 0; |
| 6668 | size_t ip_len = IP_ADDR_LEN; |
| 6669 | |
| 6670 | options = le16_to_cpu(fw_ddb_entry->options); |
| 6671 | if (options & DDB_OPT_IPV6_DEVICE) |
| 6672 | ip_len = IPv6_ADDR_LEN; |
| 6673 | |
| 6674 | if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) |
| 6675 | return QLA_ERROR; |
| 6676 | |
| 6677 | if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], |
| 6678 | sizeof(fw_ddb_entry->isid))) |
| 6679 | return QLA_ERROR; |
| 6680 | |
| 6681 | if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, |
| 6682 | sizeof(fw_ddb_entry->port))) |
| 6683 | return QLA_ERROR; |
| 6684 | |
| 6685 | return QLA_SUCCESS; |
| 6686 | } |
| 6687 | |
| 6688 | static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, |
| 6689 | struct dev_db_entry *fw_ddb_entry, |
| 6690 | uint32_t fw_idx, uint32_t *flash_index) |
| 6691 | { |
| 6692 | struct dev_db_entry *flash_ddb_entry; |
| 6693 | dma_addr_t flash_ddb_entry_dma; |
| 6694 | uint32_t idx = 0; |
| 6695 | int max_ddbs; |
| 6696 | int ret = QLA_ERROR, status; |
| 6697 | |
| 6698 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 6699 | MAX_DEV_DB_ENTRIES; |
| 6700 | |
| 6701 | flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 6702 | &flash_ddb_entry_dma); |
| 6703 | if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { |
| 6704 | ql4_printk(KERN_ERR, ha, "Out of memory\n"); |
| 6705 | goto exit_find_st_idx; |
| 6706 | } |
| 6707 | |
| 6708 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, |
| 6709 | flash_ddb_entry_dma, fw_idx); |
| 6710 | if (status == QLA_SUCCESS) { |
| 6711 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); |
| 6712 | if (status == QLA_SUCCESS) { |
| 6713 | *flash_index = fw_idx; |
| 6714 | ret = QLA_SUCCESS; |
| 6715 | goto exit_find_st_idx; |
| 6716 | } |
| 6717 | } |
| 6718 | |
| 6719 | for (idx = 0; idx < max_ddbs; idx++) { |
| 6720 | status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, |
| 6721 | flash_ddb_entry_dma, idx); |
| 6722 | if (status == QLA_ERROR) |
| 6723 | continue; |
| 6724 | |
| 6725 | status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); |
| 6726 | if (status == QLA_SUCCESS) { |
| 6727 | *flash_index = idx; |
| 6728 | ret = QLA_SUCCESS; |
| 6729 | goto exit_find_st_idx; |
| 6730 | } |
| 6731 | } |
| 6732 | |
| 6733 | if (idx == max_ddbs) |
| 6734 | ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", |
| 6735 | fw_idx); |
| 6736 | |
| 6737 | exit_find_st_idx: |
| 6738 | if (flash_ddb_entry) |
| 6739 | dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, |
| 6740 | flash_ddb_entry_dma); |
| 6741 | |
| 6742 | return ret; |
| 6743 | } |
| 6744 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6745 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
| 6746 | struct list_head *list_st) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6747 | { |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6748 | struct qla_ddb_index *st_ddb_idx; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6749 | int max_ddbs; |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6750 | int fw_idx_size; |
| 6751 | struct dev_db_entry *fw_ddb_entry; |
| 6752 | dma_addr_t fw_ddb_dma; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6753 | int ret; |
| 6754 | uint32_t idx = 0, next_idx = 0; |
| 6755 | uint32_t state = 0, conn_err = 0; |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6756 | uint32_t flash_index = -1; |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6757 | uint16_t conn_id = 0; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6758 | |
| 6759 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 6760 | &fw_ddb_dma); |
| 6761 | if (fw_ddb_entry == NULL) { |
| 6762 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6763 | goto exit_st_list; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6764 | } |
| 6765 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6766 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 6767 | MAX_DEV_DB_ENTRIES; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6768 | fw_idx_size = sizeof(struct qla_ddb_index); |
| 6769 | |
| 6770 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6771 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
| 6772 | NULL, &next_idx, &state, |
| 6773 | &conn_err, NULL, &conn_id); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6774 | if (ret == QLA_ERROR) |
| 6775 | break; |
| 6776 | |
Lalit Chandivade | 981c982 | 2012-02-13 18:30:41 +0530 | [diff] [blame] | 6777 | /* Ignore DDB if invalid state (unassigned) */ |
| 6778 | if (state == DDB_DS_UNASSIGNED) |
| 6779 | goto continue_next_st; |
| 6780 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6781 | /* Check if ST, add to the list_st */ |
| 6782 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) |
| 6783 | goto continue_next_st; |
| 6784 | |
| 6785 | st_ddb_idx = vzalloc(fw_idx_size); |
| 6786 | if (!st_ddb_idx) |
| 6787 | break; |
| 6788 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6789 | ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, |
| 6790 | &flash_index); |
| 6791 | if (ret == QLA_ERROR) { |
| 6792 | ql4_printk(KERN_ERR, ha, |
| 6793 | "No flash entry for ST at idx [%d]\n", idx); |
| 6794 | st_ddb_idx->flash_ddb_idx = idx; |
| 6795 | } else { |
| 6796 | ql4_printk(KERN_INFO, ha, |
| 6797 | "ST at idx [%d] is stored at flash [%d]\n", |
| 6798 | idx, flash_index); |
| 6799 | st_ddb_idx->flash_ddb_idx = flash_index; |
| 6800 | } |
| 6801 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6802 | st_ddb_idx->fw_ddb_idx = idx; |
| 6803 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6804 | list_add_tail(&st_ddb_idx->list, list_st); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6805 | continue_next_st: |
| 6806 | if (next_idx == 0) |
| 6807 | break; |
| 6808 | } |
| 6809 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6810 | exit_st_list: |
| 6811 | if (fw_ddb_entry) |
| 6812 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 6813 | } |
| 6814 | |
| 6815 | /** |
| 6816 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list |
| 6817 | * @ha: pointer to adapter structure |
| 6818 | * @list_ddb: List from which failed ddb to be removed |
| 6819 | * |
| 6820 | * Iterate over the list of DDBs and find and remove DDBs that are either in |
| 6821 | * no connection active state or failed state |
| 6822 | **/ |
| 6823 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, |
| 6824 | struct list_head *list_ddb) |
| 6825 | { |
| 6826 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
| 6827 | uint32_t next_idx = 0; |
| 6828 | uint32_t state = 0, conn_err = 0; |
| 6829 | int ret; |
| 6830 | |
| 6831 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
| 6832 | ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, |
| 6833 | NULL, 0, NULL, &next_idx, &state, |
| 6834 | &conn_err, NULL, NULL); |
| 6835 | if (ret == QLA_ERROR) |
| 6836 | continue; |
| 6837 | |
| 6838 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
| 6839 | state == DDB_DS_SESSION_FAILED) { |
| 6840 | list_del_init(&ddb_idx->list); |
| 6841 | vfree(ddb_idx); |
| 6842 | } |
| 6843 | } |
| 6844 | } |
| 6845 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6846 | static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, |
| 6847 | struct ddb_entry *ddb_entry, |
| 6848 | struct dev_db_entry *fw_ddb_entry) |
| 6849 | { |
| 6850 | struct iscsi_cls_session *cls_sess; |
| 6851 | struct iscsi_session *sess; |
| 6852 | uint32_t max_ddbs = 0; |
| 6853 | uint16_t ddb_link = -1; |
| 6854 | |
| 6855 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 6856 | MAX_DEV_DB_ENTRIES; |
| 6857 | |
| 6858 | cls_sess = ddb_entry->sess; |
| 6859 | sess = cls_sess->dd_data; |
| 6860 | |
| 6861 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 6862 | if (ddb_link < max_ddbs) |
| 6863 | sess->discovery_parent_idx = ddb_link; |
| 6864 | else |
| 6865 | sess->discovery_parent_idx = DDB_NO_LINK; |
| 6866 | } |
| 6867 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6868 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, |
| 6869 | struct dev_db_entry *fw_ddb_entry, |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 6870 | int is_reset, uint16_t idx) |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6871 | { |
| 6872 | struct iscsi_cls_session *cls_sess; |
| 6873 | struct iscsi_session *sess; |
| 6874 | struct iscsi_cls_conn *cls_conn; |
| 6875 | struct iscsi_endpoint *ep; |
| 6876 | uint16_t cmds_max = 32; |
| 6877 | uint16_t conn_id = 0; |
| 6878 | uint32_t initial_cmdsn = 0; |
| 6879 | int ret = QLA_SUCCESS; |
| 6880 | |
| 6881 | struct ddb_entry *ddb_entry = NULL; |
| 6882 | |
| 6883 | /* Create session object, with INVALID_ENTRY, |
| 6884 | * the targer_id would get set when we issue the login |
| 6885 | */ |
| 6886 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, |
| 6887 | cmds_max, sizeof(struct ddb_entry), |
| 6888 | sizeof(struct ql4_task_data), |
| 6889 | initial_cmdsn, INVALID_ENTRY); |
| 6890 | if (!cls_sess) { |
| 6891 | ret = QLA_ERROR; |
| 6892 | goto exit_setup; |
| 6893 | } |
| 6894 | |
| 6895 | /* |
| 6896 | * so calling module_put function to decrement the |
| 6897 | * reference count. |
| 6898 | **/ |
| 6899 | module_put(qla4xxx_iscsi_transport.owner); |
| 6900 | sess = cls_sess->dd_data; |
| 6901 | ddb_entry = sess->dd_data; |
| 6902 | ddb_entry->sess = cls_sess; |
| 6903 | |
| 6904 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
| 6905 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, |
| 6906 | sizeof(struct dev_db_entry)); |
| 6907 | |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 6908 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6909 | |
| 6910 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); |
| 6911 | |
| 6912 | if (!cls_conn) { |
| 6913 | ret = QLA_ERROR; |
| 6914 | goto exit_setup; |
| 6915 | } |
| 6916 | |
| 6917 | ddb_entry->conn = cls_conn; |
| 6918 | |
| 6919 | /* Setup ep, for displaying attributes in sysfs */ |
| 6920 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); |
| 6921 | if (ep) { |
| 6922 | ep->conn = cls_conn; |
| 6923 | cls_conn->ep = ep; |
| 6924 | } else { |
| 6925 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); |
| 6926 | ret = QLA_ERROR; |
| 6927 | goto exit_setup; |
| 6928 | } |
| 6929 | |
| 6930 | /* Update sess/conn params */ |
| 6931 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6932 | qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6933 | |
| 6934 | if (is_reset == RESET_ADAPTER) { |
| 6935 | iscsi_block_session(cls_sess); |
| 6936 | /* Use the relogin path to discover new devices |
| 6937 | * by short-circuting the logic of setting |
| 6938 | * timer to relogin - instead set the flags |
| 6939 | * to initiate login right away. |
| 6940 | */ |
| 6941 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); |
| 6942 | set_bit(DF_RELOGIN, &ddb_entry->flags); |
| 6943 | } |
| 6944 | |
| 6945 | exit_setup: |
| 6946 | return ret; |
| 6947 | } |
| 6948 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6949 | static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, |
| 6950 | struct list_head *list_ddb, |
| 6951 | struct dev_db_entry *fw_ddb_entry) |
| 6952 | { |
| 6953 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
| 6954 | uint16_t ddb_link; |
| 6955 | |
| 6956 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 6957 | |
| 6958 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
| 6959 | if (ddb_idx->fw_ddb_idx == ddb_link) { |
| 6960 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 6961 | "Updating NT parent idx from [%d] to [%d]\n", |
| 6962 | ddb_link, ddb_idx->flash_ddb_idx)); |
| 6963 | fw_ddb_entry->ddb_link = |
| 6964 | cpu_to_le16(ddb_idx->flash_ddb_idx); |
| 6965 | return; |
| 6966 | } |
| 6967 | } |
| 6968 | } |
| 6969 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6970 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6971 | struct list_head *list_nt, |
| 6972 | struct list_head *list_st, |
| 6973 | int is_reset) |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6974 | { |
| 6975 | struct dev_db_entry *fw_ddb_entry; |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6976 | struct ddb_entry *ddb_entry = NULL; |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6977 | dma_addr_t fw_ddb_dma; |
| 6978 | int max_ddbs; |
| 6979 | int fw_idx_size; |
| 6980 | int ret; |
| 6981 | uint32_t idx = 0, next_idx = 0; |
| 6982 | uint32_t state = 0, conn_err = 0; |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6983 | uint32_t ddb_idx = -1; |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6984 | uint16_t conn_id = 0; |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 6985 | uint16_t ddb_link = -1; |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6986 | struct qla_ddb_index *nt_ddb_idx; |
| 6987 | |
| 6988 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 6989 | &fw_ddb_dma); |
| 6990 | if (fw_ddb_entry == NULL) { |
| 6991 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); |
| 6992 | goto exit_nt_list; |
| 6993 | } |
| 6994 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 6995 | MAX_DEV_DB_ENTRIES; |
| 6996 | fw_idx_size = sizeof(struct qla_ddb_index); |
| 6997 | |
| 6998 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
| 6999 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
| 7000 | NULL, &next_idx, &state, |
| 7001 | &conn_err, NULL, &conn_id); |
| 7002 | if (ret == QLA_ERROR) |
| 7003 | break; |
| 7004 | |
| 7005 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) |
| 7006 | goto continue_next_nt; |
| 7007 | |
| 7008 | /* Check if NT, then add to list it */ |
| 7009 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) |
| 7010 | goto continue_next_nt; |
| 7011 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7012 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 7013 | if (ddb_link < max_ddbs) |
| 7014 | qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); |
| 7015 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7016 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7017 | state == DDB_DS_SESSION_FAILED) && |
| 7018 | (is_reset == INIT_ADAPTER)) |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7019 | goto continue_next_nt; |
| 7020 | |
| 7021 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 7022 | "Adding DDB to session = 0x%x\n", idx)); |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7023 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7024 | if (is_reset == INIT_ADAPTER) { |
| 7025 | nt_ddb_idx = vmalloc(fw_idx_size); |
| 7026 | if (!nt_ddb_idx) |
| 7027 | break; |
| 7028 | |
| 7029 | nt_ddb_idx->fw_ddb_idx = idx; |
| 7030 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 7031 | /* Copy original isid as it may get updated in function |
| 7032 | * qla4xxx_update_isid(). We need original isid in |
| 7033 | * function qla4xxx_compare_tuple_ddb to find duplicate |
| 7034 | * target */ |
| 7035 | memcpy(&nt_ddb_idx->flash_isid[0], |
| 7036 | &fw_ddb_entry->isid[0], |
| 7037 | sizeof(nt_ddb_idx->flash_isid)); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7038 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 7039 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, |
| 7040 | fw_ddb_entry); |
| 7041 | if (ret == QLA_SUCCESS) { |
| 7042 | /* free nt_ddb_idx and do not add to list_nt */ |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7043 | vfree(nt_ddb_idx); |
| 7044 | goto continue_next_nt; |
| 7045 | } |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 7046 | |
| 7047 | /* Copy updated isid */ |
| 7048 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, |
| 7049 | sizeof(struct dev_db_entry)); |
| 7050 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7051 | list_add_tail(&nt_ddb_idx->list, list_nt); |
| 7052 | } else if (is_reset == RESET_ADAPTER) { |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7053 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, |
| 7054 | &ddb_idx); |
| 7055 | if (ret == QLA_SUCCESS) { |
| 7056 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, |
| 7057 | ddb_idx); |
| 7058 | if (ddb_entry != NULL) |
| 7059 | qla4xxx_update_sess_disc_idx(ha, |
| 7060 | ddb_entry, |
| 7061 | fw_ddb_entry); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7062 | goto continue_next_nt; |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7063 | } |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7064 | } |
| 7065 | |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 7066 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 7067 | if (ret == QLA_ERROR) |
| 7068 | goto exit_nt_list; |
| 7069 | |
| 7070 | continue_next_nt: |
| 7071 | if (next_idx == 0) |
| 7072 | break; |
| 7073 | } |
| 7074 | |
| 7075 | exit_nt_list: |
| 7076 | if (fw_ddb_entry) |
| 7077 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 7078 | } |
| 7079 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7080 | static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7081 | struct list_head *list_nt, |
| 7082 | uint16_t target_id) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7083 | { |
| 7084 | struct dev_db_entry *fw_ddb_entry; |
| 7085 | dma_addr_t fw_ddb_dma; |
| 7086 | int max_ddbs; |
| 7087 | int fw_idx_size; |
| 7088 | int ret; |
| 7089 | uint32_t idx = 0, next_idx = 0; |
| 7090 | uint32_t state = 0, conn_err = 0; |
| 7091 | uint16_t conn_id = 0; |
| 7092 | struct qla_ddb_index *nt_ddb_idx; |
| 7093 | |
| 7094 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 7095 | &fw_ddb_dma); |
| 7096 | if (fw_ddb_entry == NULL) { |
| 7097 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); |
| 7098 | goto exit_new_nt_list; |
| 7099 | } |
| 7100 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 7101 | MAX_DEV_DB_ENTRIES; |
| 7102 | fw_idx_size = sizeof(struct qla_ddb_index); |
| 7103 | |
| 7104 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
| 7105 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
| 7106 | NULL, &next_idx, &state, |
| 7107 | &conn_err, NULL, &conn_id); |
| 7108 | if (ret == QLA_ERROR) |
| 7109 | break; |
| 7110 | |
| 7111 | /* Check if NT, then add it to list */ |
| 7112 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) |
| 7113 | goto continue_next_new_nt; |
| 7114 | |
| 7115 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) |
| 7116 | goto continue_next_new_nt; |
| 7117 | |
| 7118 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 7119 | "Adding DDB to session = 0x%x\n", idx)); |
| 7120 | |
| 7121 | nt_ddb_idx = vmalloc(fw_idx_size); |
| 7122 | if (!nt_ddb_idx) |
| 7123 | break; |
| 7124 | |
| 7125 | nt_ddb_idx->fw_ddb_idx = idx; |
| 7126 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7127 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7128 | if (ret == QLA_SUCCESS) { |
| 7129 | /* free nt_ddb_idx and do not add to list_nt */ |
| 7130 | vfree(nt_ddb_idx); |
| 7131 | goto continue_next_new_nt; |
| 7132 | } |
| 7133 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7134 | if (target_id < max_ddbs) |
| 7135 | fw_ddb_entry->ddb_link = cpu_to_le16(target_id); |
| 7136 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7137 | list_add_tail(&nt_ddb_idx->list, list_nt); |
| 7138 | |
| 7139 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, |
| 7140 | idx); |
| 7141 | if (ret == QLA_ERROR) |
| 7142 | goto exit_new_nt_list; |
| 7143 | |
| 7144 | continue_next_new_nt: |
| 7145 | if (next_idx == 0) |
| 7146 | break; |
| 7147 | } |
| 7148 | |
| 7149 | exit_new_nt_list: |
| 7150 | if (fw_ddb_entry) |
| 7151 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 7152 | } |
| 7153 | |
| 7154 | /** |
| 7155 | * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry |
| 7156 | * @dev: dev associated with the sysfs entry |
| 7157 | * @data: pointer to flashnode session object |
| 7158 | * |
| 7159 | * Returns: |
| 7160 | * 1: if flashnode entry is non-persistent |
| 7161 | * 0: if flashnode entry is persistent |
| 7162 | **/ |
| 7163 | static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) |
| 7164 | { |
| 7165 | struct iscsi_bus_flash_session *fnode_sess; |
| 7166 | |
| 7167 | if (!iscsi_flashnode_bus_match(dev, NULL)) |
| 7168 | return 0; |
| 7169 | |
| 7170 | fnode_sess = iscsi_dev_to_flash_session(dev); |
| 7171 | |
| 7172 | return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); |
| 7173 | } |
| 7174 | |
| 7175 | /** |
| 7176 | * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target |
| 7177 | * @ha: pointer to host |
| 7178 | * @fw_ddb_entry: flash ddb data |
| 7179 | * @idx: target index |
| 7180 | * @user: if set then this call is made from userland else from kernel |
| 7181 | * |
| 7182 | * Returns: |
| 7183 | * On sucess: QLA_SUCCESS |
| 7184 | * On failure: QLA_ERROR |
| 7185 | * |
| 7186 | * This create separate sysfs entries for session and connection attributes of |
| 7187 | * the given fw ddb entry. |
| 7188 | * If this is invoked as a result of a userspace call then the entry is marked |
| 7189 | * as nonpersistent using flash_state field. |
| 7190 | **/ |
Vikas Chaudhary | 28e02f1 | 2013-04-17 05:15:27 -0400 | [diff] [blame] | 7191 | static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, |
| 7192 | struct dev_db_entry *fw_ddb_entry, |
| 7193 | uint16_t *idx, int user) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7194 | { |
| 7195 | struct iscsi_bus_flash_session *fnode_sess = NULL; |
| 7196 | struct iscsi_bus_flash_conn *fnode_conn = NULL; |
| 7197 | int rc = QLA_ERROR; |
| 7198 | |
| 7199 | fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, |
| 7200 | &qla4xxx_iscsi_transport, 0); |
| 7201 | if (!fnode_sess) { |
| 7202 | ql4_printk(KERN_ERR, ha, |
| 7203 | "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", |
| 7204 | __func__, *idx, ha->host_no); |
| 7205 | goto exit_tgt_create; |
| 7206 | } |
| 7207 | |
| 7208 | fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, |
| 7209 | &qla4xxx_iscsi_transport, 0); |
| 7210 | if (!fnode_conn) { |
| 7211 | ql4_printk(KERN_ERR, ha, |
| 7212 | "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", |
| 7213 | __func__, *idx, ha->host_no); |
| 7214 | goto free_sess; |
| 7215 | } |
| 7216 | |
| 7217 | if (user) { |
| 7218 | fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; |
| 7219 | } else { |
| 7220 | fnode_sess->flash_state = DEV_DB_PERSISTENT; |
| 7221 | |
| 7222 | if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) |
| 7223 | fnode_sess->is_boot_target = 1; |
| 7224 | else |
| 7225 | fnode_sess->is_boot_target = 0; |
| 7226 | } |
| 7227 | |
| 7228 | rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, |
| 7229 | fw_ddb_entry); |
| 7230 | |
| 7231 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
| 7232 | __func__, fnode_sess->dev.kobj.name); |
| 7233 | |
| 7234 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
| 7235 | __func__, fnode_conn->dev.kobj.name); |
| 7236 | |
| 7237 | return QLA_SUCCESS; |
| 7238 | |
| 7239 | free_sess: |
| 7240 | iscsi_destroy_flashnode_sess(fnode_sess); |
| 7241 | |
| 7242 | exit_tgt_create: |
| 7243 | return QLA_ERROR; |
| 7244 | } |
| 7245 | |
| 7246 | /** |
| 7247 | * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash |
| 7248 | * @shost: pointer to host |
| 7249 | * @buf: type of ddb entry (ipv4/ipv6) |
| 7250 | * @len: length of buf |
| 7251 | * |
| 7252 | * This creates new ddb entry in the flash by finding first free index and |
| 7253 | * storing default ddb there. And then create sysfs entry for the new ddb entry. |
| 7254 | **/ |
| 7255 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
| 7256 | int len) |
| 7257 | { |
| 7258 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 7259 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 7260 | dma_addr_t fw_ddb_entry_dma; |
| 7261 | struct device *dev; |
| 7262 | uint16_t idx = 0; |
| 7263 | uint16_t max_ddbs = 0; |
| 7264 | uint32_t options = 0; |
| 7265 | uint32_t rval = QLA_ERROR; |
| 7266 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7267 | if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && |
| 7268 | strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7269 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", |
| 7270 | __func__)); |
| 7271 | goto exit_ddb_add; |
| 7272 | } |
| 7273 | |
Adheer Chandravanshi | a957a7d | 2013-04-05 07:06:08 -0400 | [diff] [blame] | 7274 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7275 | MAX_DEV_DB_ENTRIES; |
| 7276 | |
| 7277 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7278 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 7279 | if (!fw_ddb_entry) { |
| 7280 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 7281 | "%s: Unable to allocate dma buffer\n", |
| 7282 | __func__)); |
| 7283 | goto exit_ddb_add; |
| 7284 | } |
| 7285 | |
| 7286 | dev = iscsi_find_flashnode_sess(ha->host, NULL, |
| 7287 | qla4xxx_sysfs_ddb_is_non_persistent); |
| 7288 | if (dev) { |
| 7289 | ql4_printk(KERN_ERR, ha, |
| 7290 | "%s: A non-persistent entry %s found\n", |
| 7291 | __func__, dev->kobj.name); |
Mike Christie | 8526cb1 | 2013-05-06 12:06:56 -0500 | [diff] [blame] | 7292 | put_device(dev); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7293 | goto exit_ddb_add; |
| 7294 | } |
| 7295 | |
Adheer Chandravanshi | 9993757 | 2013-07-08 08:33:09 -0400 | [diff] [blame] | 7296 | /* Index 0 and 1 are reserved for boot target entries */ |
| 7297 | for (idx = 2; idx < max_ddbs; idx++) { |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7298 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, |
| 7299 | fw_ddb_entry_dma, idx)) |
| 7300 | break; |
| 7301 | } |
| 7302 | |
| 7303 | if (idx == max_ddbs) |
| 7304 | goto exit_ddb_add; |
| 7305 | |
| 7306 | if (!strncasecmp("ipv6", buf, 4)) |
| 7307 | options |= IPV6_DEFAULT_DDB_ENTRY; |
| 7308 | |
| 7309 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
| 7310 | if (rval == QLA_ERROR) |
| 7311 | goto exit_ddb_add; |
| 7312 | |
| 7313 | rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); |
| 7314 | |
| 7315 | exit_ddb_add: |
| 7316 | if (fw_ddb_entry) |
| 7317 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7318 | fw_ddb_entry, fw_ddb_entry_dma); |
| 7319 | if (rval == QLA_SUCCESS) |
| 7320 | return idx; |
| 7321 | else |
| 7322 | return -EIO; |
| 7323 | } |
| 7324 | |
| 7325 | /** |
| 7326 | * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash |
| 7327 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 7328 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 7329 | * |
| 7330 | * This writes the contents of target ddb buffer to Flash with a valid cookie |
| 7331 | * value in order to make the ddb entry persistent. |
| 7332 | **/ |
| 7333 | static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, |
| 7334 | struct iscsi_bus_flash_conn *fnode_conn) |
| 7335 | { |
| 7336 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 7337 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 7338 | uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; |
| 7339 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 7340 | dma_addr_t fw_ddb_entry_dma; |
| 7341 | uint32_t options = 0; |
| 7342 | int rval = 0; |
| 7343 | |
| 7344 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7345 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 7346 | if (!fw_ddb_entry) { |
| 7347 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 7348 | "%s: Unable to allocate dma buffer\n", |
| 7349 | __func__)); |
| 7350 | rval = -ENOMEM; |
| 7351 | goto exit_ddb_apply; |
| 7352 | } |
| 7353 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7354 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7355 | options |= IPV6_DEFAULT_DDB_ENTRY; |
| 7356 | |
| 7357 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
| 7358 | if (rval == QLA_ERROR) |
| 7359 | goto exit_ddb_apply; |
| 7360 | |
| 7361 | dev_db_start_offset += (fnode_sess->target_id * |
| 7362 | sizeof(*fw_ddb_entry)); |
| 7363 | |
| 7364 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); |
| 7365 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; |
| 7366 | |
| 7367 | rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, |
| 7368 | sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); |
| 7369 | |
| 7370 | if (rval == QLA_SUCCESS) { |
| 7371 | fnode_sess->flash_state = DEV_DB_PERSISTENT; |
| 7372 | ql4_printk(KERN_INFO, ha, |
| 7373 | "%s: flash node %u of host %lu written to flash\n", |
| 7374 | __func__, fnode_sess->target_id, ha->host_no); |
| 7375 | } else { |
| 7376 | rval = -EIO; |
| 7377 | ql4_printk(KERN_ERR, ha, |
| 7378 | "%s: Error while writing flash node %u of host %lu to flash\n", |
| 7379 | __func__, fnode_sess->target_id, ha->host_no); |
| 7380 | } |
| 7381 | |
| 7382 | exit_ddb_apply: |
| 7383 | if (fw_ddb_entry) |
| 7384 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7385 | fw_ddb_entry, fw_ddb_entry_dma); |
| 7386 | return rval; |
| 7387 | } |
| 7388 | |
| 7389 | static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, |
| 7390 | struct dev_db_entry *fw_ddb_entry, |
| 7391 | uint16_t idx) |
| 7392 | { |
| 7393 | struct dev_db_entry *ddb_entry = NULL; |
| 7394 | dma_addr_t ddb_entry_dma; |
| 7395 | unsigned long wtime; |
| 7396 | uint32_t mbx_sts = 0; |
| 7397 | uint32_t state = 0, conn_err = 0; |
| 7398 | uint16_t tmo = 0; |
| 7399 | int ret = 0; |
| 7400 | |
| 7401 | ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), |
| 7402 | &ddb_entry_dma, GFP_KERNEL); |
| 7403 | if (!ddb_entry) { |
| 7404 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 7405 | "%s: Unable to allocate dma buffer\n", |
| 7406 | __func__)); |
| 7407 | return QLA_ERROR; |
| 7408 | } |
| 7409 | |
| 7410 | memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); |
| 7411 | |
| 7412 | ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); |
| 7413 | if (ret != QLA_SUCCESS) { |
| 7414 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 7415 | "%s: Unable to set ddb entry for index %d\n", |
| 7416 | __func__, idx)); |
| 7417 | goto exit_ddb_conn_open; |
| 7418 | } |
| 7419 | |
| 7420 | qla4xxx_conn_open(ha, idx); |
| 7421 | |
| 7422 | /* To ensure that sendtargets is done, wait for at least 12 secs */ |
| 7423 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
| 7424 | (ha->def_timeout < LOGIN_TOV * 10) ? |
| 7425 | ha->def_timeout : LOGIN_TOV); |
| 7426 | |
| 7427 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 7428 | "Default time to wait for login to ddb %d\n", tmo)); |
| 7429 | |
| 7430 | wtime = jiffies + (HZ * tmo); |
| 7431 | do { |
| 7432 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, |
| 7433 | NULL, &state, &conn_err, NULL, |
| 7434 | NULL); |
| 7435 | if (ret == QLA_ERROR) |
| 7436 | continue; |
| 7437 | |
| 7438 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
| 7439 | state == DDB_DS_SESSION_FAILED) |
| 7440 | break; |
| 7441 | |
| 7442 | schedule_timeout_uninterruptible(HZ / 10); |
| 7443 | } while (time_after(wtime, jiffies)); |
| 7444 | |
| 7445 | exit_ddb_conn_open: |
| 7446 | if (ddb_entry) |
| 7447 | dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), |
| 7448 | ddb_entry, ddb_entry_dma); |
| 7449 | return ret; |
| 7450 | } |
| 7451 | |
| 7452 | static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7453 | struct dev_db_entry *fw_ddb_entry, |
| 7454 | uint16_t target_id) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7455 | { |
| 7456 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
| 7457 | struct list_head list_nt; |
| 7458 | uint16_t ddb_index; |
| 7459 | int ret = 0; |
| 7460 | |
| 7461 | if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { |
| 7462 | ql4_printk(KERN_WARNING, ha, |
| 7463 | "%s: A discovery already in progress!\n", __func__); |
| 7464 | return QLA_ERROR; |
| 7465 | } |
| 7466 | |
| 7467 | INIT_LIST_HEAD(&list_nt); |
| 7468 | |
| 7469 | set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); |
| 7470 | |
| 7471 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
| 7472 | if (ret == QLA_ERROR) |
| 7473 | goto exit_login_st_clr_bit; |
| 7474 | |
| 7475 | ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); |
| 7476 | if (ret == QLA_ERROR) |
| 7477 | goto exit_login_st; |
| 7478 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7479 | qla4xxx_build_new_nt_list(ha, &list_nt, target_id); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7480 | |
| 7481 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { |
| 7482 | list_del_init(&ddb_idx->list); |
| 7483 | qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); |
| 7484 | vfree(ddb_idx); |
| 7485 | } |
| 7486 | |
| 7487 | exit_login_st: |
| 7488 | if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { |
| 7489 | ql4_printk(KERN_ERR, ha, |
| 7490 | "Unable to clear DDB index = 0x%x\n", ddb_index); |
| 7491 | } |
| 7492 | |
| 7493 | clear_bit(ddb_index, ha->ddb_idx_map); |
| 7494 | |
| 7495 | exit_login_st_clr_bit: |
| 7496 | clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); |
| 7497 | return ret; |
| 7498 | } |
| 7499 | |
| 7500 | static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, |
| 7501 | struct dev_db_entry *fw_ddb_entry, |
| 7502 | uint16_t idx) |
| 7503 | { |
| 7504 | int ret = QLA_ERROR; |
| 7505 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7506 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7507 | if (ret != QLA_SUCCESS) |
| 7508 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, |
| 7509 | idx); |
| 7510 | else |
| 7511 | ret = -EPERM; |
| 7512 | |
| 7513 | return ret; |
| 7514 | } |
| 7515 | |
| 7516 | /** |
| 7517 | * qla4xxx_sysfs_ddb_login - Login to the specified target |
| 7518 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 7519 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 7520 | * |
| 7521 | * This logs in to the specified target |
| 7522 | **/ |
| 7523 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, |
| 7524 | struct iscsi_bus_flash_conn *fnode_conn) |
| 7525 | { |
| 7526 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 7527 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 7528 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 7529 | dma_addr_t fw_ddb_entry_dma; |
| 7530 | uint32_t options = 0; |
| 7531 | int ret = 0; |
| 7532 | |
| 7533 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { |
| 7534 | ql4_printk(KERN_ERR, ha, |
| 7535 | "%s: Target info is not persistent\n", __func__); |
| 7536 | ret = -EIO; |
| 7537 | goto exit_ddb_login; |
| 7538 | } |
| 7539 | |
| 7540 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7541 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 7542 | if (!fw_ddb_entry) { |
| 7543 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 7544 | "%s: Unable to allocate dma buffer\n", |
| 7545 | __func__)); |
| 7546 | ret = -ENOMEM; |
| 7547 | goto exit_ddb_login; |
| 7548 | } |
| 7549 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7550 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7551 | options |= IPV6_DEFAULT_DDB_ENTRY; |
| 7552 | |
| 7553 | ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
| 7554 | if (ret == QLA_ERROR) |
| 7555 | goto exit_ddb_login; |
| 7556 | |
| 7557 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); |
| 7558 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; |
| 7559 | |
| 7560 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 7561 | ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, |
| 7562 | fnode_sess->target_id); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7563 | else |
| 7564 | ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, |
| 7565 | fnode_sess->target_id); |
| 7566 | |
| 7567 | if (ret > 0) |
| 7568 | ret = -EIO; |
| 7569 | |
| 7570 | exit_ddb_login: |
| 7571 | if (fw_ddb_entry) |
| 7572 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7573 | fw_ddb_entry, fw_ddb_entry_dma); |
| 7574 | return ret; |
| 7575 | } |
| 7576 | |
| 7577 | /** |
| 7578 | * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target |
| 7579 | * @cls_sess: pointer to session to be logged out |
| 7580 | * |
| 7581 | * This performs session log out from the specified target |
| 7582 | **/ |
| 7583 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) |
| 7584 | { |
| 7585 | struct iscsi_session *sess; |
| 7586 | struct ddb_entry *ddb_entry = NULL; |
| 7587 | struct scsi_qla_host *ha; |
| 7588 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 7589 | dma_addr_t fw_ddb_entry_dma; |
| 7590 | unsigned long flags; |
| 7591 | unsigned long wtime; |
| 7592 | uint32_t ddb_state; |
| 7593 | int options; |
| 7594 | int ret = 0; |
| 7595 | |
| 7596 | sess = cls_sess->dd_data; |
| 7597 | ddb_entry = sess->dd_data; |
| 7598 | ha = ddb_entry->ha; |
| 7599 | |
| 7600 | if (ddb_entry->ddb_type != FLASH_DDB) { |
| 7601 | ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", |
| 7602 | __func__); |
| 7603 | ret = -ENXIO; |
| 7604 | goto exit_ddb_logout; |
| 7605 | } |
| 7606 | |
Adheer Chandravanshi | 37719c2 | 2013-04-05 07:06:07 -0400 | [diff] [blame] | 7607 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
| 7608 | ql4_printk(KERN_ERR, ha, |
| 7609 | "%s: Logout from boot target entry is not permitted.\n", |
| 7610 | __func__); |
| 7611 | ret = -EPERM; |
| 7612 | goto exit_ddb_logout; |
| 7613 | } |
| 7614 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7615 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7616 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 7617 | if (!fw_ddb_entry) { |
| 7618 | ql4_printk(KERN_ERR, ha, |
| 7619 | "%s: Unable to allocate dma buffer\n", __func__); |
| 7620 | ret = -ENOMEM; |
| 7621 | goto exit_ddb_logout; |
| 7622 | } |
| 7623 | |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 7624 | if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
| 7625 | goto ddb_logout_init; |
| 7626 | |
| 7627 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, |
| 7628 | fw_ddb_entry, fw_ddb_entry_dma, |
| 7629 | NULL, NULL, &ddb_state, NULL, |
| 7630 | NULL, NULL); |
| 7631 | if (ret == QLA_ERROR) |
| 7632 | goto ddb_logout_init; |
| 7633 | |
| 7634 | if (ddb_state == DDB_DS_SESSION_ACTIVE) |
| 7635 | goto ddb_logout_init; |
| 7636 | |
| 7637 | /* wait until next relogin is triggered using DF_RELOGIN and |
| 7638 | * clear DF_RELOGIN to avoid invocation of further relogin |
| 7639 | */ |
| 7640 | wtime = jiffies + (HZ * RELOGIN_TOV); |
| 7641 | do { |
| 7642 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) |
| 7643 | goto ddb_logout_init; |
| 7644 | |
| 7645 | schedule_timeout_uninterruptible(HZ); |
| 7646 | } while ((time_after(wtime, jiffies))); |
| 7647 | |
| 7648 | ddb_logout_init: |
| 7649 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); |
| 7650 | atomic_set(&ddb_entry->relogin_timer, 0); |
| 7651 | |
| 7652 | options = LOGOUT_OPTION_CLOSE_SESSION; |
| 7653 | qla4xxx_session_logout_ddb(ha, ddb_entry, options); |
| 7654 | |
| 7655 | memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7656 | wtime = jiffies + (HZ * LOGOUT_TOV); |
| 7657 | do { |
| 7658 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, |
| 7659 | fw_ddb_entry, fw_ddb_entry_dma, |
| 7660 | NULL, NULL, &ddb_state, NULL, |
| 7661 | NULL, NULL); |
| 7662 | if (ret == QLA_ERROR) |
| 7663 | goto ddb_logout_clr_sess; |
| 7664 | |
| 7665 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
| 7666 | (ddb_state == DDB_DS_SESSION_FAILED)) |
| 7667 | goto ddb_logout_clr_sess; |
| 7668 | |
| 7669 | schedule_timeout_uninterruptible(HZ); |
| 7670 | } while ((time_after(wtime, jiffies))); |
| 7671 | |
| 7672 | ddb_logout_clr_sess: |
| 7673 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
| 7674 | /* |
| 7675 | * we have decremented the reference count of the driver |
| 7676 | * when we setup the session to have the driver unload |
| 7677 | * to be seamless without actually destroying the |
| 7678 | * session |
| 7679 | **/ |
| 7680 | try_module_get(qla4xxx_iscsi_transport.owner); |
| 7681 | iscsi_destroy_endpoint(ddb_entry->conn->ep); |
| 7682 | |
| 7683 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 7684 | qla4xxx_free_ddb(ha, ddb_entry); |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 7685 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7686 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 7687 | |
| 7688 | iscsi_session_teardown(ddb_entry->sess); |
| 7689 | |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 7690 | clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7691 | ret = QLA_SUCCESS; |
| 7692 | |
| 7693 | exit_ddb_logout: |
| 7694 | if (fw_ddb_entry) |
| 7695 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7696 | fw_ddb_entry, fw_ddb_entry_dma); |
| 7697 | return ret; |
| 7698 | } |
| 7699 | |
| 7700 | /** |
| 7701 | * qla4xxx_sysfs_ddb_logout - Logout from the specified target |
| 7702 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 7703 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 7704 | * |
| 7705 | * This performs log out from the specified target |
| 7706 | **/ |
| 7707 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, |
| 7708 | struct iscsi_bus_flash_conn *fnode_conn) |
| 7709 | { |
| 7710 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 7711 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 7712 | struct ql4_tuple_ddb *flash_tddb = NULL; |
| 7713 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
| 7714 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 7715 | struct ddb_entry *ddb_entry = NULL; |
| 7716 | dma_addr_t fw_ddb_dma; |
| 7717 | uint32_t next_idx = 0; |
| 7718 | uint32_t state = 0, conn_err = 0; |
| 7719 | uint16_t conn_id = 0; |
| 7720 | int idx, index; |
| 7721 | int status, ret = 0; |
| 7722 | |
| 7723 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 7724 | &fw_ddb_dma); |
| 7725 | if (fw_ddb_entry == NULL) { |
| 7726 | ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); |
| 7727 | ret = -ENOMEM; |
| 7728 | goto exit_ddb_logout; |
| 7729 | } |
| 7730 | |
| 7731 | flash_tddb = vzalloc(sizeof(*flash_tddb)); |
| 7732 | if (!flash_tddb) { |
| 7733 | ql4_printk(KERN_WARNING, ha, |
| 7734 | "%s:Memory Allocation failed.\n", __func__); |
| 7735 | ret = -ENOMEM; |
| 7736 | goto exit_ddb_logout; |
| 7737 | } |
| 7738 | |
| 7739 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); |
| 7740 | if (!tmp_tddb) { |
| 7741 | ql4_printk(KERN_WARNING, ha, |
| 7742 | "%s:Memory Allocation failed.\n", __func__); |
| 7743 | ret = -ENOMEM; |
| 7744 | goto exit_ddb_logout; |
| 7745 | } |
| 7746 | |
| 7747 | if (!fnode_sess->targetname) { |
| 7748 | ql4_printk(KERN_ERR, ha, |
| 7749 | "%s:Cannot logout from SendTarget entry\n", |
| 7750 | __func__); |
| 7751 | ret = -EPERM; |
| 7752 | goto exit_ddb_logout; |
| 7753 | } |
| 7754 | |
| 7755 | if (fnode_sess->is_boot_target) { |
| 7756 | ql4_printk(KERN_ERR, ha, |
| 7757 | "%s: Logout from boot target entry is not permitted.\n", |
| 7758 | __func__); |
| 7759 | ret = -EPERM; |
| 7760 | goto exit_ddb_logout; |
| 7761 | } |
| 7762 | |
Rickard Strandqvist | bdbb966 | 2014-07-26 16:49:32 +0200 | [diff] [blame] | 7763 | strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7764 | ISCSI_NAME_SIZE); |
| 7765 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7766 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7767 | sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); |
| 7768 | else |
| 7769 | sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); |
| 7770 | |
| 7771 | flash_tddb->tpgt = fnode_sess->tpgt; |
| 7772 | flash_tddb->port = fnode_conn->port; |
| 7773 | |
| 7774 | COPY_ISID(flash_tddb->isid, fnode_sess->isid); |
| 7775 | |
| 7776 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
| 7777 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 7778 | if (ddb_entry == NULL) |
| 7779 | continue; |
| 7780 | |
| 7781 | if (ddb_entry->ddb_type != FLASH_DDB) |
| 7782 | continue; |
| 7783 | |
| 7784 | index = ddb_entry->sess->target_id; |
| 7785 | status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, |
| 7786 | fw_ddb_dma, NULL, &next_idx, |
| 7787 | &state, &conn_err, NULL, |
| 7788 | &conn_id); |
| 7789 | if (status == QLA_ERROR) { |
| 7790 | ret = -ENOMEM; |
| 7791 | break; |
| 7792 | } |
| 7793 | |
| 7794 | qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); |
| 7795 | |
| 7796 | status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, |
| 7797 | true); |
| 7798 | if (status == QLA_SUCCESS) { |
| 7799 | ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); |
| 7800 | break; |
| 7801 | } |
| 7802 | } |
| 7803 | |
| 7804 | if (idx == MAX_DDB_ENTRIES) |
| 7805 | ret = -ESRCH; |
| 7806 | |
| 7807 | exit_ddb_logout: |
| 7808 | if (flash_tddb) |
| 7809 | vfree(flash_tddb); |
| 7810 | if (tmp_tddb) |
| 7811 | vfree(tmp_tddb); |
| 7812 | if (fw_ddb_entry) |
| 7813 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 7814 | |
| 7815 | return ret; |
| 7816 | } |
| 7817 | |
| 7818 | static int |
| 7819 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, |
| 7820 | int param, char *buf) |
| 7821 | { |
| 7822 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 7823 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 7824 | struct iscsi_bus_flash_conn *fnode_conn; |
| 7825 | struct ql4_chap_table chap_tbl; |
| 7826 | struct device *dev; |
Adheer Chandravanshi | a2f7663 | 2013-07-08 08:33:08 -0400 | [diff] [blame] | 7827 | int parent_type; |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7828 | int rc = 0; |
| 7829 | |
Mike Christie | 8526cb1 | 2013-05-06 12:06:56 -0500 | [diff] [blame] | 7830 | dev = iscsi_find_flashnode_conn(fnode_sess); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7831 | if (!dev) |
| 7832 | return -EIO; |
| 7833 | |
| 7834 | fnode_conn = iscsi_dev_to_flash_conn(dev); |
| 7835 | |
| 7836 | switch (param) { |
| 7837 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
| 7838 | rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); |
| 7839 | break; |
| 7840 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
| 7841 | rc = sprintf(buf, "%s\n", fnode_sess->portal_type); |
| 7842 | break; |
| 7843 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
| 7844 | rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); |
| 7845 | break; |
| 7846 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
| 7847 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); |
| 7848 | break; |
| 7849 | case ISCSI_FLASHNODE_ENTRY_EN: |
| 7850 | rc = sprintf(buf, "%u\n", fnode_sess->entry_state); |
| 7851 | break; |
| 7852 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
| 7853 | rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); |
| 7854 | break; |
| 7855 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
| 7856 | rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); |
| 7857 | break; |
| 7858 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
| 7859 | rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); |
| 7860 | break; |
| 7861 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
| 7862 | rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); |
| 7863 | break; |
| 7864 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
| 7865 | rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); |
| 7866 | break; |
| 7867 | case ISCSI_FLASHNODE_PDU_INORDER: |
| 7868 | rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); |
| 7869 | break; |
| 7870 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
| 7871 | rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); |
| 7872 | break; |
| 7873 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
| 7874 | rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); |
| 7875 | break; |
| 7876 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
| 7877 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); |
| 7878 | break; |
| 7879 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
| 7880 | rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); |
| 7881 | break; |
| 7882 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
| 7883 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); |
| 7884 | break; |
| 7885 | case ISCSI_FLASHNODE_ERL: |
| 7886 | rc = sprintf(buf, "%u\n", fnode_sess->erl); |
| 7887 | break; |
| 7888 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
| 7889 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); |
| 7890 | break; |
| 7891 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
| 7892 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); |
| 7893 | break; |
| 7894 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
| 7895 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); |
| 7896 | break; |
| 7897 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
| 7898 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); |
| 7899 | break; |
| 7900 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
| 7901 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); |
| 7902 | break; |
| 7903 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
| 7904 | rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); |
| 7905 | break; |
| 7906 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
| 7907 | rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); |
| 7908 | break; |
| 7909 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
| 7910 | rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); |
| 7911 | break; |
| 7912 | case ISCSI_FLASHNODE_FIRST_BURST: |
| 7913 | rc = sprintf(buf, "%u\n", fnode_sess->first_burst); |
| 7914 | break; |
| 7915 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
| 7916 | rc = sprintf(buf, "%u\n", fnode_sess->time2wait); |
| 7917 | break; |
| 7918 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
| 7919 | rc = sprintf(buf, "%u\n", fnode_sess->time2retain); |
| 7920 | break; |
| 7921 | case ISCSI_FLASHNODE_MAX_R2T: |
| 7922 | rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); |
| 7923 | break; |
| 7924 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
| 7925 | rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); |
| 7926 | break; |
| 7927 | case ISCSI_FLASHNODE_ISID: |
| 7928 | rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", |
| 7929 | fnode_sess->isid[0], fnode_sess->isid[1], |
| 7930 | fnode_sess->isid[2], fnode_sess->isid[3], |
| 7931 | fnode_sess->isid[4], fnode_sess->isid[5]); |
| 7932 | break; |
| 7933 | case ISCSI_FLASHNODE_TSID: |
| 7934 | rc = sprintf(buf, "%u\n", fnode_sess->tsid); |
| 7935 | break; |
| 7936 | case ISCSI_FLASHNODE_PORT: |
| 7937 | rc = sprintf(buf, "%d\n", fnode_conn->port); |
| 7938 | break; |
| 7939 | case ISCSI_FLASHNODE_MAX_BURST: |
| 7940 | rc = sprintf(buf, "%u\n", fnode_sess->max_burst); |
| 7941 | break; |
| 7942 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
| 7943 | rc = sprintf(buf, "%u\n", |
| 7944 | fnode_sess->default_taskmgmt_timeout); |
| 7945 | break; |
| 7946 | case ISCSI_FLASHNODE_IPADDR: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7947 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7948 | rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); |
| 7949 | else |
| 7950 | rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); |
| 7951 | break; |
| 7952 | case ISCSI_FLASHNODE_ALIAS: |
| 7953 | if (fnode_sess->targetalias) |
| 7954 | rc = sprintf(buf, "%s\n", fnode_sess->targetalias); |
| 7955 | else |
| 7956 | rc = sprintf(buf, "\n"); |
| 7957 | break; |
| 7958 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7959 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7960 | rc = sprintf(buf, "%pI6\n", |
| 7961 | fnode_conn->redirect_ipaddr); |
| 7962 | else |
| 7963 | rc = sprintf(buf, "%pI4\n", |
| 7964 | fnode_conn->redirect_ipaddr); |
| 7965 | break; |
| 7966 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
| 7967 | rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); |
| 7968 | break; |
| 7969 | case ISCSI_FLASHNODE_LOCAL_PORT: |
| 7970 | rc = sprintf(buf, "%u\n", fnode_conn->local_port); |
| 7971 | break; |
| 7972 | case ISCSI_FLASHNODE_IPV4_TOS: |
| 7973 | rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); |
| 7974 | break; |
| 7975 | case ISCSI_FLASHNODE_IPV6_TC: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7976 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7977 | rc = sprintf(buf, "%u\n", |
| 7978 | fnode_conn->ipv6_traffic_class); |
| 7979 | else |
| 7980 | rc = sprintf(buf, "\n"); |
| 7981 | break; |
| 7982 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
| 7983 | rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); |
| 7984 | break; |
| 7985 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 7986 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7987 | rc = sprintf(buf, "%pI6\n", |
| 7988 | fnode_conn->link_local_ipv6_addr); |
| 7989 | else |
| 7990 | rc = sprintf(buf, "\n"); |
| 7991 | break; |
| 7992 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
Adheer Chandravanshi | a2f7663 | 2013-07-08 08:33:08 -0400 | [diff] [blame] | 7993 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7994 | break; |
| 7995 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: |
| 7996 | if (fnode_sess->discovery_parent_type == DDB_ISNS) |
| 7997 | parent_type = ISCSI_DISC_PARENT_ISNS; |
| 7998 | else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) |
| 7999 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; |
Vikas Chaudhary | b6130ce | 2013-04-17 05:15:26 -0400 | [diff] [blame] | 8000 | else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8001 | parent_type = ISCSI_DISC_PARENT_SENDTGT; |
| 8002 | else |
| 8003 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; |
| 8004 | |
| 8005 | rc = sprintf(buf, "%s\n", |
| 8006 | iscsi_get_discovery_parent_name(parent_type)); |
| 8007 | break; |
| 8008 | case ISCSI_FLASHNODE_NAME: |
| 8009 | if (fnode_sess->targetname) |
| 8010 | rc = sprintf(buf, "%s\n", fnode_sess->targetname); |
| 8011 | else |
| 8012 | rc = sprintf(buf, "\n"); |
| 8013 | break; |
| 8014 | case ISCSI_FLASHNODE_TPGT: |
| 8015 | rc = sprintf(buf, "%u\n", fnode_sess->tpgt); |
| 8016 | break; |
| 8017 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
| 8018 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); |
| 8019 | break; |
| 8020 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
| 8021 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); |
| 8022 | break; |
| 8023 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
| 8024 | rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); |
| 8025 | break; |
| 8026 | case ISCSI_FLASHNODE_USERNAME: |
| 8027 | if (fnode_sess->chap_auth_en) { |
| 8028 | qla4xxx_get_uni_chap_at_index(ha, |
| 8029 | chap_tbl.name, |
| 8030 | chap_tbl.secret, |
| 8031 | fnode_sess->chap_out_idx); |
| 8032 | rc = sprintf(buf, "%s\n", chap_tbl.name); |
| 8033 | } else { |
| 8034 | rc = sprintf(buf, "\n"); |
| 8035 | } |
| 8036 | break; |
| 8037 | case ISCSI_FLASHNODE_PASSWORD: |
| 8038 | if (fnode_sess->chap_auth_en) { |
| 8039 | qla4xxx_get_uni_chap_at_index(ha, |
| 8040 | chap_tbl.name, |
| 8041 | chap_tbl.secret, |
| 8042 | fnode_sess->chap_out_idx); |
| 8043 | rc = sprintf(buf, "%s\n", chap_tbl.secret); |
| 8044 | } else { |
| 8045 | rc = sprintf(buf, "\n"); |
| 8046 | } |
| 8047 | break; |
| 8048 | case ISCSI_FLASHNODE_STATSN: |
| 8049 | rc = sprintf(buf, "%u\n", fnode_conn->statsn); |
| 8050 | break; |
| 8051 | case ISCSI_FLASHNODE_EXP_STATSN: |
| 8052 | rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); |
| 8053 | break; |
| 8054 | case ISCSI_FLASHNODE_IS_BOOT_TGT: |
| 8055 | rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); |
| 8056 | break; |
| 8057 | default: |
| 8058 | rc = -ENOSYS; |
| 8059 | break; |
| 8060 | } |
Mike Christie | 8526cb1 | 2013-05-06 12:06:56 -0500 | [diff] [blame] | 8061 | |
| 8062 | put_device(dev); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8063 | return rc; |
| 8064 | } |
| 8065 | |
| 8066 | /** |
| 8067 | * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry |
| 8068 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 8069 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 8070 | * @data: Parameters and their values to update |
| 8071 | * @len: len of data |
| 8072 | * |
| 8073 | * This sets the parameter of flash ddb entry and writes them to flash |
| 8074 | **/ |
| 8075 | static int |
| 8076 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, |
| 8077 | struct iscsi_bus_flash_conn *fnode_conn, |
| 8078 | void *data, int len) |
| 8079 | { |
| 8080 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 8081 | struct scsi_qla_host *ha = to_qla_host(shost); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8082 | struct iscsi_flashnode_param_info *fnode_param; |
Adheer Chandravanshi | 244c079 | 2013-09-17 07:54:45 -0400 | [diff] [blame] | 8083 | struct ql4_chap_table chap_tbl; |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8084 | struct nlattr *attr; |
Adheer Chandravanshi | 244c079 | 2013-09-17 07:54:45 -0400 | [diff] [blame] | 8085 | uint16_t chap_out_idx = INVALID_ENTRY; |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8086 | int rc = QLA_ERROR; |
| 8087 | uint32_t rem = len; |
| 8088 | |
Adheer Chandravanshi | 244c079 | 2013-09-17 07:54:45 -0400 | [diff] [blame] | 8089 | memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8090 | nla_for_each_attr(attr, data, len, rem) { |
| 8091 | fnode_param = nla_data(attr); |
| 8092 | |
| 8093 | switch (fnode_param->param) { |
| 8094 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
| 8095 | fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; |
| 8096 | break; |
| 8097 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
| 8098 | memcpy(fnode_sess->portal_type, fnode_param->value, |
| 8099 | strlen(fnode_sess->portal_type)); |
| 8100 | break; |
| 8101 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
| 8102 | fnode_sess->auto_snd_tgt_disable = |
| 8103 | fnode_param->value[0]; |
| 8104 | break; |
| 8105 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
| 8106 | fnode_sess->discovery_sess = fnode_param->value[0]; |
| 8107 | break; |
| 8108 | case ISCSI_FLASHNODE_ENTRY_EN: |
| 8109 | fnode_sess->entry_state = fnode_param->value[0]; |
| 8110 | break; |
| 8111 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
| 8112 | fnode_conn->hdrdgst_en = fnode_param->value[0]; |
| 8113 | break; |
| 8114 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
| 8115 | fnode_conn->datadgst_en = fnode_param->value[0]; |
| 8116 | break; |
| 8117 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
| 8118 | fnode_sess->imm_data_en = fnode_param->value[0]; |
| 8119 | break; |
| 8120 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
| 8121 | fnode_sess->initial_r2t_en = fnode_param->value[0]; |
| 8122 | break; |
| 8123 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
| 8124 | fnode_sess->dataseq_inorder_en = fnode_param->value[0]; |
| 8125 | break; |
| 8126 | case ISCSI_FLASHNODE_PDU_INORDER: |
| 8127 | fnode_sess->pdu_inorder_en = fnode_param->value[0]; |
| 8128 | break; |
| 8129 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
| 8130 | fnode_sess->chap_auth_en = fnode_param->value[0]; |
Adheer Chandravanshi | 244c079 | 2013-09-17 07:54:45 -0400 | [diff] [blame] | 8131 | /* Invalidate chap index if chap auth is disabled */ |
| 8132 | if (!fnode_sess->chap_auth_en) |
| 8133 | fnode_sess->chap_out_idx = INVALID_ENTRY; |
| 8134 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8135 | break; |
| 8136 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
| 8137 | fnode_conn->snack_req_en = fnode_param->value[0]; |
| 8138 | break; |
| 8139 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
| 8140 | fnode_sess->discovery_logout_en = fnode_param->value[0]; |
| 8141 | break; |
| 8142 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
| 8143 | fnode_sess->bidi_chap_en = fnode_param->value[0]; |
| 8144 | break; |
| 8145 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
| 8146 | fnode_sess->discovery_auth_optional = |
| 8147 | fnode_param->value[0]; |
| 8148 | break; |
| 8149 | case ISCSI_FLASHNODE_ERL: |
| 8150 | fnode_sess->erl = fnode_param->value[0]; |
| 8151 | break; |
| 8152 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
| 8153 | fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; |
| 8154 | break; |
| 8155 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
| 8156 | fnode_conn->tcp_nagle_disable = fnode_param->value[0]; |
| 8157 | break; |
| 8158 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
| 8159 | fnode_conn->tcp_wsf_disable = fnode_param->value[0]; |
| 8160 | break; |
| 8161 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
| 8162 | fnode_conn->tcp_timer_scale = fnode_param->value[0]; |
| 8163 | break; |
| 8164 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
| 8165 | fnode_conn->tcp_timestamp_en = fnode_param->value[0]; |
| 8166 | break; |
| 8167 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
| 8168 | fnode_conn->fragment_disable = fnode_param->value[0]; |
| 8169 | break; |
| 8170 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
| 8171 | fnode_conn->max_recv_dlength = |
| 8172 | *(unsigned *)fnode_param->value; |
| 8173 | break; |
| 8174 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
| 8175 | fnode_conn->max_xmit_dlength = |
| 8176 | *(unsigned *)fnode_param->value; |
| 8177 | break; |
| 8178 | case ISCSI_FLASHNODE_FIRST_BURST: |
| 8179 | fnode_sess->first_burst = |
| 8180 | *(unsigned *)fnode_param->value; |
| 8181 | break; |
| 8182 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
| 8183 | fnode_sess->time2wait = *(uint16_t *)fnode_param->value; |
| 8184 | break; |
| 8185 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
| 8186 | fnode_sess->time2retain = |
| 8187 | *(uint16_t *)fnode_param->value; |
| 8188 | break; |
| 8189 | case ISCSI_FLASHNODE_MAX_R2T: |
| 8190 | fnode_sess->max_r2t = |
| 8191 | *(uint16_t *)fnode_param->value; |
| 8192 | break; |
| 8193 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
| 8194 | fnode_conn->keepalive_timeout = |
| 8195 | *(uint16_t *)fnode_param->value; |
| 8196 | break; |
| 8197 | case ISCSI_FLASHNODE_ISID: |
| 8198 | memcpy(fnode_sess->isid, fnode_param->value, |
| 8199 | sizeof(fnode_sess->isid)); |
| 8200 | break; |
| 8201 | case ISCSI_FLASHNODE_TSID: |
| 8202 | fnode_sess->tsid = *(uint16_t *)fnode_param->value; |
| 8203 | break; |
| 8204 | case ISCSI_FLASHNODE_PORT: |
| 8205 | fnode_conn->port = *(uint16_t *)fnode_param->value; |
| 8206 | break; |
| 8207 | case ISCSI_FLASHNODE_MAX_BURST: |
| 8208 | fnode_sess->max_burst = *(unsigned *)fnode_param->value; |
| 8209 | break; |
| 8210 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
| 8211 | fnode_sess->default_taskmgmt_timeout = |
| 8212 | *(uint16_t *)fnode_param->value; |
| 8213 | break; |
| 8214 | case ISCSI_FLASHNODE_IPADDR: |
| 8215 | memcpy(fnode_conn->ipaddress, fnode_param->value, |
| 8216 | IPv6_ADDR_LEN); |
| 8217 | break; |
| 8218 | case ISCSI_FLASHNODE_ALIAS: |
| 8219 | rc = iscsi_switch_str_param(&fnode_sess->targetalias, |
| 8220 | (char *)fnode_param->value); |
| 8221 | break; |
| 8222 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
| 8223 | memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, |
| 8224 | IPv6_ADDR_LEN); |
| 8225 | break; |
| 8226 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
| 8227 | fnode_conn->max_segment_size = |
| 8228 | *(unsigned *)fnode_param->value; |
| 8229 | break; |
| 8230 | case ISCSI_FLASHNODE_LOCAL_PORT: |
| 8231 | fnode_conn->local_port = |
| 8232 | *(uint16_t *)fnode_param->value; |
| 8233 | break; |
| 8234 | case ISCSI_FLASHNODE_IPV4_TOS: |
| 8235 | fnode_conn->ipv4_tos = fnode_param->value[0]; |
| 8236 | break; |
| 8237 | case ISCSI_FLASHNODE_IPV6_TC: |
| 8238 | fnode_conn->ipv6_traffic_class = fnode_param->value[0]; |
| 8239 | break; |
| 8240 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
| 8241 | fnode_conn->ipv6_flow_label = fnode_param->value[0]; |
| 8242 | break; |
| 8243 | case ISCSI_FLASHNODE_NAME: |
| 8244 | rc = iscsi_switch_str_param(&fnode_sess->targetname, |
| 8245 | (char *)fnode_param->value); |
| 8246 | break; |
| 8247 | case ISCSI_FLASHNODE_TPGT: |
| 8248 | fnode_sess->tpgt = *(uint16_t *)fnode_param->value; |
| 8249 | break; |
| 8250 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
| 8251 | memcpy(fnode_conn->link_local_ipv6_addr, |
| 8252 | fnode_param->value, IPv6_ADDR_LEN); |
| 8253 | break; |
Adheer Chandravanshi | 6556016 | 2013-07-08 08:33:06 -0400 | [diff] [blame] | 8254 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
| 8255 | fnode_sess->discovery_parent_idx = |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8256 | *(uint16_t *)fnode_param->value; |
| 8257 | break; |
| 8258 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
| 8259 | fnode_conn->tcp_xmit_wsf = |
| 8260 | *(uint8_t *)fnode_param->value; |
| 8261 | break; |
| 8262 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
| 8263 | fnode_conn->tcp_recv_wsf = |
| 8264 | *(uint8_t *)fnode_param->value; |
| 8265 | break; |
| 8266 | case ISCSI_FLASHNODE_STATSN: |
| 8267 | fnode_conn->statsn = *(uint32_t *)fnode_param->value; |
| 8268 | break; |
| 8269 | case ISCSI_FLASHNODE_EXP_STATSN: |
| 8270 | fnode_conn->exp_statsn = |
| 8271 | *(uint32_t *)fnode_param->value; |
| 8272 | break; |
Adheer Chandravanshi | 244c079 | 2013-09-17 07:54:45 -0400 | [diff] [blame] | 8273 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
| 8274 | chap_out_idx = *(uint16_t *)fnode_param->value; |
| 8275 | if (!qla4xxx_get_uni_chap_at_index(ha, |
| 8276 | chap_tbl.name, |
| 8277 | chap_tbl.secret, |
| 8278 | chap_out_idx)) { |
| 8279 | fnode_sess->chap_out_idx = chap_out_idx; |
| 8280 | /* Enable chap auth if chap index is valid */ |
| 8281 | fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; |
| 8282 | } |
| 8283 | break; |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8284 | default: |
| 8285 | ql4_printk(KERN_ERR, ha, |
| 8286 | "%s: No such sysfs attribute\n", __func__); |
| 8287 | rc = -ENOSYS; |
| 8288 | goto exit_set_param; |
| 8289 | } |
| 8290 | } |
| 8291 | |
| 8292 | rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); |
| 8293 | |
| 8294 | exit_set_param: |
| 8295 | return rc; |
| 8296 | } |
| 8297 | |
| 8298 | /** |
| 8299 | * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry |
| 8300 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 8301 | * |
| 8302 | * This invalidates the flash ddb entry at the given index |
| 8303 | **/ |
| 8304 | static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) |
| 8305 | { |
| 8306 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 8307 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 8308 | uint32_t dev_db_start_offset; |
| 8309 | uint32_t dev_db_end_offset; |
| 8310 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 8311 | dma_addr_t fw_ddb_entry_dma; |
| 8312 | uint16_t *ddb_cookie = NULL; |
Vikas Chaudhary | b6130ce | 2013-04-17 05:15:26 -0400 | [diff] [blame] | 8313 | size_t ddb_size = 0; |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 8314 | void *pddb = NULL; |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8315 | int target_id; |
| 8316 | int rc = 0; |
| 8317 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8318 | if (fnode_sess->is_boot_target) { |
| 8319 | rc = -EPERM; |
| 8320 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 8321 | "%s: Deletion of boot target entry is not permitted.\n", |
| 8322 | __func__)); |
| 8323 | goto exit_ddb_del; |
| 8324 | } |
| 8325 | |
| 8326 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) |
| 8327 | goto sysfs_ddb_del; |
| 8328 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8329 | if (is_qla40XX(ha)) { |
| 8330 | dev_db_start_offset = FLASH_OFFSET_DB_INFO; |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 8331 | dev_db_end_offset = FLASH_OFFSET_DB_END; |
| 8332 | dev_db_start_offset += (fnode_sess->target_id * |
| 8333 | sizeof(*fw_ddb_entry)); |
| 8334 | ddb_size = sizeof(*fw_ddb_entry); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8335 | } else { |
| 8336 | dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + |
| 8337 | (ha->hw.flt_region_ddb << 2); |
| 8338 | /* flt_ddb_size is DDB table size for both ports |
| 8339 | * so divide it by 2 to calculate the offset for second port |
| 8340 | */ |
| 8341 | if (ha->port_num == 1) |
| 8342 | dev_db_start_offset += (ha->hw.flt_ddb_size / 2); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8343 | |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 8344 | dev_db_end_offset = dev_db_start_offset + |
| 8345 | (ha->hw.flt_ddb_size / 2); |
| 8346 | |
| 8347 | dev_db_start_offset += (fnode_sess->target_id * |
| 8348 | sizeof(*fw_ddb_entry)); |
Adheer Chandravanshi | 1bcb561 | 2013-04-17 05:15:28 -0400 | [diff] [blame] | 8349 | dev_db_start_offset += offsetof(struct dev_db_entry, cookie); |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 8350 | |
| 8351 | ddb_size = sizeof(*ddb_cookie); |
| 8352 | } |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8353 | |
| 8354 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", |
| 8355 | __func__, dev_db_start_offset, dev_db_end_offset)); |
| 8356 | |
| 8357 | if (dev_db_start_offset > dev_db_end_offset) { |
| 8358 | rc = -EIO; |
| 8359 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", |
| 8360 | __func__, fnode_sess->target_id)); |
| 8361 | goto exit_ddb_del; |
| 8362 | } |
| 8363 | |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 8364 | pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, |
| 8365 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 8366 | if (!pddb) { |
| 8367 | rc = -ENOMEM; |
| 8368 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 8369 | "%s: Unable to allocate dma buffer\n", |
| 8370 | __func__)); |
| 8371 | goto exit_ddb_del; |
| 8372 | } |
| 8373 | |
| 8374 | if (is_qla40XX(ha)) { |
| 8375 | fw_ddb_entry = pddb; |
| 8376 | memset(fw_ddb_entry, 0, ddb_size); |
| 8377 | ddb_cookie = &fw_ddb_entry->cookie; |
| 8378 | } else { |
| 8379 | ddb_cookie = pddb; |
| 8380 | } |
| 8381 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8382 | /* invalidate the cookie */ |
| 8383 | *ddb_cookie = 0xFFEE; |
| 8384 | qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 8385 | ddb_size, FLASH_OPT_RMW_COMMIT); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8386 | |
| 8387 | sysfs_ddb_del: |
| 8388 | target_id = fnode_sess->target_id; |
| 8389 | iscsi_destroy_flashnode_sess(fnode_sess); |
| 8390 | ql4_printk(KERN_INFO, ha, |
| 8391 | "%s: session and conn entries for flashnode %u of host %lu deleted\n", |
| 8392 | __func__, target_id, ha->host_no); |
| 8393 | exit_ddb_del: |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 8394 | if (pddb) |
| 8395 | dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, |
| 8396 | fw_ddb_entry_dma); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8397 | return rc; |
| 8398 | } |
| 8399 | |
| 8400 | /** |
| 8401 | * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs |
| 8402 | * @ha: pointer to adapter structure |
| 8403 | * |
| 8404 | * Export the firmware DDB for all send targets and normal targets to sysfs. |
| 8405 | **/ |
Nilesh Javali | 906cbf3 | 2014-04-09 21:12:25 -0400 | [diff] [blame] | 8406 | int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8407 | { |
| 8408 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 8409 | dma_addr_t fw_ddb_entry_dma; |
| 8410 | uint16_t max_ddbs; |
| 8411 | uint16_t idx = 0; |
| 8412 | int ret = QLA_SUCCESS; |
| 8413 | |
| 8414 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, |
| 8415 | sizeof(*fw_ddb_entry), |
| 8416 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 8417 | if (!fw_ddb_entry) { |
| 8418 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 8419 | "%s: Unable to allocate dma buffer\n", |
| 8420 | __func__)); |
| 8421 | return -ENOMEM; |
| 8422 | } |
| 8423 | |
Adheer Chandravanshi | a957a7d | 2013-04-05 07:06:08 -0400 | [diff] [blame] | 8424 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 8425 | MAX_DEV_DB_ENTRIES; |
| 8426 | |
| 8427 | for (idx = 0; idx < max_ddbs; idx++) { |
| 8428 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, |
| 8429 | idx)) |
| 8430 | continue; |
| 8431 | |
| 8432 | ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); |
| 8433 | if (ret) { |
| 8434 | ret = -EIO; |
| 8435 | break; |
| 8436 | } |
| 8437 | } |
| 8438 | |
| 8439 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, |
| 8440 | fw_ddb_entry_dma); |
| 8441 | |
| 8442 | return ret; |
| 8443 | } |
| 8444 | |
| 8445 | static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) |
| 8446 | { |
| 8447 | iscsi_destroy_all_flashnode(ha->host); |
| 8448 | } |
| 8449 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 8450 | /** |
| 8451 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions |
| 8452 | * @ha: pointer to adapter structure |
| 8453 | * @is_reset: Is this init path or reset path |
| 8454 | * |
| 8455 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets |
| 8456 | * using connection open, then create the list of normal targets (nt) |
| 8457 | * from firmware DDBs. Based on the list of nt setup session and connection |
| 8458 | * objects. |
| 8459 | **/ |
| 8460 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) |
| 8461 | { |
| 8462 | uint16_t tmo = 0; |
| 8463 | struct list_head list_st, list_nt; |
| 8464 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; |
| 8465 | unsigned long wtime; |
| 8466 | |
| 8467 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
| 8468 | set_bit(AF_BUILD_DDB_LIST, &ha->flags); |
| 8469 | ha->is_reset = is_reset; |
| 8470 | return; |
| 8471 | } |
| 8472 | |
| 8473 | INIT_LIST_HEAD(&list_st); |
| 8474 | INIT_LIST_HEAD(&list_nt); |
| 8475 | |
| 8476 | qla4xxx_build_st_list(ha, &list_st); |
| 8477 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8478 | /* Before issuing conn open mbox, ensure all IPs states are configured |
| 8479 | * Note, conn open fails if IPs are not configured |
| 8480 | */ |
| 8481 | qla4xxx_wait_for_ip_configuration(ha); |
| 8482 | |
| 8483 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ |
| 8484 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { |
| 8485 | qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); |
| 8486 | } |
| 8487 | |
| 8488 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 8489 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
| 8490 | (ha->def_timeout < LOGIN_TOV * 10) ? |
| 8491 | ha->def_timeout : LOGIN_TOV); |
| 8492 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8493 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 8494 | "Default time to wait for build ddb %d\n", tmo)); |
| 8495 | |
| 8496 | wtime = jiffies + (HZ * tmo); |
| 8497 | do { |
Nilesh Javali | f1f2e60 | 2011-12-16 01:58:57 -0800 | [diff] [blame] | 8498 | if (list_empty(&list_st)) |
| 8499 | break; |
| 8500 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 8501 | qla4xxx_remove_failed_ddb(ha, &list_st); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8502 | schedule_timeout_uninterruptible(HZ / 10); |
| 8503 | } while (time_after(wtime, jiffies)); |
| 8504 | |
Manish Rangankar | ad8bd45 | 2013-09-17 07:30:02 -0400 | [diff] [blame] | 8505 | |
| 8506 | qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); |
| 8507 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 8508 | qla4xxx_free_ddb_list(&list_st); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 8509 | qla4xxx_free_ddb_list(&list_nt); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8510 | |
| 8511 | qla4xxx_free_ddb_index(ha); |
| 8512 | } |
| 8513 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8514 | /** |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 8515 | * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login |
| 8516 | * response. |
| 8517 | * @ha: pointer to adapter structure |
| 8518 | * |
| 8519 | * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be |
| 8520 | * set in DDB and we will wait for login response of boot targets during |
| 8521 | * probe. |
| 8522 | **/ |
| 8523 | static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) |
| 8524 | { |
| 8525 | struct ddb_entry *ddb_entry; |
| 8526 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 8527 | dma_addr_t fw_ddb_entry_dma; |
| 8528 | unsigned long wtime; |
| 8529 | uint32_t ddb_state; |
| 8530 | int max_ddbs, idx, ret; |
| 8531 | |
| 8532 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 8533 | MAX_DEV_DB_ENTRIES; |
| 8534 | |
| 8535 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 8536 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 8537 | if (!fw_ddb_entry) { |
| 8538 | ql4_printk(KERN_ERR, ha, |
| 8539 | "%s: Unable to allocate dma buffer\n", __func__); |
| 8540 | goto exit_login_resp; |
| 8541 | } |
| 8542 | |
| 8543 | wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); |
| 8544 | |
| 8545 | for (idx = 0; idx < max_ddbs; idx++) { |
| 8546 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 8547 | if (ddb_entry == NULL) |
| 8548 | continue; |
| 8549 | |
| 8550 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
| 8551 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 8552 | "%s: DDB index [%d]\n", __func__, |
| 8553 | ddb_entry->fw_ddb_index)); |
| 8554 | do { |
| 8555 | ret = qla4xxx_get_fwddb_entry(ha, |
| 8556 | ddb_entry->fw_ddb_index, |
| 8557 | fw_ddb_entry, fw_ddb_entry_dma, |
| 8558 | NULL, NULL, &ddb_state, NULL, |
| 8559 | NULL, NULL); |
| 8560 | if (ret == QLA_ERROR) |
| 8561 | goto exit_login_resp; |
| 8562 | |
| 8563 | if ((ddb_state == DDB_DS_SESSION_ACTIVE) || |
| 8564 | (ddb_state == DDB_DS_SESSION_FAILED)) |
| 8565 | break; |
| 8566 | |
| 8567 | schedule_timeout_uninterruptible(HZ); |
| 8568 | |
| 8569 | } while ((time_after(wtime, jiffies))); |
| 8570 | |
| 8571 | if (!time_after(wtime, jiffies)) { |
| 8572 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 8573 | "%s: Login response wait timer expired\n", |
| 8574 | __func__)); |
| 8575 | goto exit_login_resp; |
| 8576 | } |
| 8577 | } |
| 8578 | } |
| 8579 | |
| 8580 | exit_login_resp: |
| 8581 | if (fw_ddb_entry) |
| 8582 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 8583 | fw_ddb_entry, fw_ddb_entry_dma); |
| 8584 | } |
| 8585 | |
| 8586 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8587 | * qla4xxx_probe_adapter - callback function to probe HBA |
| 8588 | * @pdev: pointer to pci_dev structure |
| 8589 | * @pci_device_id: pointer to pci_device entry |
| 8590 | * |
| 8591 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. |
| 8592 | * It returns zero if successful. It also initializes all data necessary for |
| 8593 | * the driver. |
| 8594 | **/ |
Greg Kroah-Hartman | 6f03979 | 2012-12-21 13:08:55 -0800 | [diff] [blame] | 8595 | static int qla4xxx_probe_adapter(struct pci_dev *pdev, |
| 8596 | const struct pci_device_id *ent) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8597 | { |
| 8598 | int ret = -ENODEV, status; |
| 8599 | struct Scsi_Host *host; |
| 8600 | struct scsi_qla_host *ha; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8601 | uint8_t init_retry_count = 0; |
| 8602 | char buf[34]; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8603 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; |
Prasanna Mumbai | f9880e7 | 2011-03-21 03:34:26 -0700 | [diff] [blame] | 8604 | uint32_t dev_state; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8605 | |
| 8606 | if (pci_enable_device(pdev)) |
| 8607 | return -1; |
| 8608 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8609 | host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8610 | if (host == NULL) { |
| 8611 | printk(KERN_WARNING |
| 8612 | "qla4xxx: Couldn't allocate host from scsi layer!\n"); |
| 8613 | goto probe_disable_device; |
| 8614 | } |
| 8615 | |
| 8616 | /* Clear our data area */ |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8617 | ha = to_qla_host(host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8618 | memset(ha, 0, sizeof(*ha)); |
| 8619 | |
| 8620 | /* Save the information from PCI BIOS. */ |
| 8621 | ha->pdev = pdev; |
| 8622 | ha->host = host; |
| 8623 | ha->host_no = host->host_no; |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8624 | ha->func_num = PCI_FUNC(ha->pdev->devfn); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8625 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8626 | pci_enable_pcie_error_reporting(pdev); |
| 8627 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8628 | /* Setup Runtime configurable options */ |
| 8629 | if (is_qla8022(ha)) { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 8630 | ha->isp_ops = &qla4_82xx_isp_ops; |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8631 | ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8632 | ha->qdr_sn_window = -1; |
| 8633 | ha->ddr_mn_window = -1; |
| 8634 | ha->curr_window = 255; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8635 | nx_legacy_intr = &legacy_intr[ha->func_num]; |
| 8636 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; |
| 8637 | ha->nx_legacy_intr.tgt_status_reg = |
| 8638 | nx_legacy_intr->tgt_status_reg; |
| 8639 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; |
| 8640 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 8641 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8642 | ha->isp_ops = &qla4_83xx_isp_ops; |
| 8643 | ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8644 | } else { |
| 8645 | ha->isp_ops = &qla4xxx_isp_ops; |
| 8646 | } |
| 8647 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8648 | if (is_qla80XX(ha)) { |
| 8649 | rwlock_init(&ha->hw_lock); |
| 8650 | ha->pf_bit = ha->func_num << 16; |
| 8651 | /* Set EEH reset type to fundamental if required by hba */ |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8652 | pdev->needs_freset = 1; |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8653 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8654 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8655 | /* Configure PCI I/O space. */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8656 | ret = ha->isp_ops->iospace_config(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8657 | if (ret) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8658 | goto probe_failed_ioconfig; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8659 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 8660 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8661 | pdev->device, pdev->irq, ha->reg); |
| 8662 | |
| 8663 | qla4xxx_config_dma_addressing(ha); |
| 8664 | |
| 8665 | /* Initialize lists and spinlocks. */ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8666 | INIT_LIST_HEAD(&ha->free_srb_q); |
| 8667 | |
| 8668 | mutex_init(&ha->mbox_sem); |
Lalit Chandivade | 4549415 | 2011-10-07 16:55:42 -0700 | [diff] [blame] | 8669 | mutex_init(&ha->chap_sem); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8670 | init_completion(&ha->mbx_intr_comp); |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 8671 | init_completion(&ha->disable_acb_comp); |
Vikas Chaudhary | df86f77 | 2013-11-22 05:28:17 -0500 | [diff] [blame] | 8672 | init_completion(&ha->idc_comp); |
| 8673 | init_completion(&ha->link_up_comp); |
| 8674 | init_completion(&ha->disable_acb_comp); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8675 | |
| 8676 | spin_lock_init(&ha->hardware_lock); |
Vikas Chaudhary | 8e9157c | 2012-08-22 07:45:24 -0400 | [diff] [blame] | 8677 | spin_lock_init(&ha->work_lock); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8678 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 8679 | /* Initialize work list */ |
| 8680 | INIT_LIST_HEAD(&ha->work_list); |
| 8681 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8682 | /* Allocate dma buffers */ |
| 8683 | if (qla4xxx_mem_alloc(ha)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 8684 | ql4_printk(KERN_WARNING, ha, |
| 8685 | "[ERROR] Failed to allocate memory for adapter\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8686 | |
| 8687 | ret = -ENOMEM; |
| 8688 | goto probe_failed; |
| 8689 | } |
| 8690 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8691 | host->cmd_per_lun = 3; |
| 8692 | host->max_channel = 0; |
| 8693 | host->max_lun = MAX_LUNS - 1; |
| 8694 | host->max_id = MAX_TARGETS; |
| 8695 | host->max_cmd_len = IOCB_MAX_CDB_LEN; |
| 8696 | host->can_queue = MAX_SRBS ; |
| 8697 | host->transportt = qla4xxx_scsi_transport; |
| 8698 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8699 | pci_set_drvdata(pdev, ha); |
| 8700 | |
| 8701 | ret = scsi_add_host(host, &pdev->dev); |
| 8702 | if (ret) |
| 8703 | goto probe_failed; |
| 8704 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8705 | if (is_qla80XX(ha)) |
| 8706 | qla4_8xxx_get_flash_info(ha); |
| 8707 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 8708 | if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8709 | qla4_83xx_read_reset_template(ha); |
| 8710 | /* |
| 8711 | * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. |
| 8712 | * If DONRESET_BIT0 is set, drivers should not set dev_state |
| 8713 | * to NEED_RESET. But if NEED_RESET is set, drivers should |
| 8714 | * should honor the reset. |
| 8715 | */ |
| 8716 | if (ql4xdontresethba == 1) |
| 8717 | qla4_83xx_set_idc_dontreset(ha); |
| 8718 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8719 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8720 | /* |
| 8721 | * Initialize the Host adapter request/response queues and |
| 8722 | * firmware |
| 8723 | * NOTE: interrupts enabled upon successful completion |
| 8724 | */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8725 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
Poornima Vonti | 7977f82 | 2012-09-20 07:35:07 -0400 | [diff] [blame] | 8726 | |
| 8727 | /* Dont retry adapter initialization if IRQ allocation failed */ |
Nilesh Javali | 37418cc | 2013-12-16 06:49:31 -0500 | [diff] [blame] | 8728 | if (is_qla80XX(ha) && (status == QLA_ERROR)) |
Poornima Vonti | 7977f82 | 2012-09-20 07:35:07 -0400 | [diff] [blame] | 8729 | goto skip_retry_init; |
| 8730 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8731 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
| 8732 | init_retry_count++ < MAX_INIT_RETRIES) { |
Prasanna Mumbai | f9880e7 | 2011-03-21 03:34:26 -0700 | [diff] [blame] | 8733 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8734 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8735 | ha->isp_ops->idc_lock(ha); |
| 8736 | dev_state = qla4_8xxx_rd_direct(ha, |
Vikas Chaudhary | e951aca | 2012-12-29 02:24:52 -0500 | [diff] [blame] | 8737 | QLA8XXX_CRB_DEV_STATE); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8738 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 8739 | if (dev_state == QLA8XXX_DEV_FAILED) { |
Prasanna Mumbai | f9880e7 | 2011-03-21 03:34:26 -0700 | [diff] [blame] | 8740 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " |
| 8741 | "initialize adapter. H/W is in failed state\n", |
| 8742 | __func__); |
| 8743 | break; |
| 8744 | } |
| 8745 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8746 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
| 8747 | "(%d)\n", __func__, init_retry_count)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8748 | |
| 8749 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) |
| 8750 | continue; |
| 8751 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8752 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
Nilesh Javali | 37418cc | 2013-12-16 06:49:31 -0500 | [diff] [blame] | 8753 | if (is_qla80XX(ha) && (status == QLA_ERROR)) { |
| 8754 | if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) |
| 8755 | goto skip_retry_init; |
| 8756 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8757 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8758 | |
Poornima Vonti | 7977f82 | 2012-09-20 07:35:07 -0400 | [diff] [blame] | 8759 | skip_retry_init: |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8760 | if (!test_bit(AF_ONLINE, &ha->flags)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 8761 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8762 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8763 | if ((is_qla8022(ha) && ql4xdontresethba) || |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 8764 | ((is_qla8032(ha) || is_qla8042(ha)) && |
| 8765 | qla4_83xx_idc_dontreset(ha))) { |
Lalit Chandivade | fe99852 | 2010-12-02 22:12:36 -0800 | [diff] [blame] | 8766 | /* Put the device in failed state. */ |
| 8767 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8768 | ha->isp_ops->idc_lock(ha); |
| 8769 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 8770 | QLA8XXX_DEV_FAILED); |
| 8771 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | fe99852 | 2010-12-02 22:12:36 -0800 | [diff] [blame] | 8772 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8773 | ret = -ENODEV; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8774 | goto remove_host; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8775 | } |
| 8776 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8777 | /* Startup the kernel thread for this host adapter. */ |
| 8778 | DEBUG2(printk("scsi: %s: Starting kernel thread for " |
| 8779 | "qla4xxx_dpc\n", __func__)); |
| 8780 | sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); |
| 8781 | ha->dpc_thread = create_singlethread_workqueue(buf); |
| 8782 | if (!ha->dpc_thread) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 8783 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8784 | ret = -ENODEV; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8785 | goto remove_host; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8786 | } |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 8787 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8788 | |
Kees Cook | d853754 | 2013-07-03 15:04:57 -0700 | [diff] [blame] | 8789 | ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, |
| 8790 | ha->host_no); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8791 | if (!ha->task_wq) { |
| 8792 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); |
| 8793 | ret = -ENODEV; |
| 8794 | goto remove_host; |
| 8795 | } |
| 8796 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8797 | /* |
| 8798 | * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8799 | * (which is called indirectly by qla4xxx_initialize_adapter), |
| 8800 | * so that irqs will be registered after crbinit but before |
| 8801 | * mbx_intr_enable. |
| 8802 | */ |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 8803 | if (is_qla40XX(ha)) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8804 | ret = qla4xxx_request_irqs(ha); |
| 8805 | if (ret) { |
| 8806 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " |
| 8807 | "interrupt %d already in use.\n", pdev->irq); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8808 | goto remove_host; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8809 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8810 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8811 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8812 | pci_save_state(ha->pdev); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8813 | ha->isp_ops->enable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8814 | |
| 8815 | /* Start timer thread. */ |
| 8816 | qla4xxx_start_timer(ha, qla4xxx_timer, 1); |
| 8817 | |
| 8818 | set_bit(AF_INIT_DONE, &ha->flags); |
| 8819 | |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 8820 | qla4_8xxx_alloc_sysfs_attr(ha); |
| 8821 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8822 | printk(KERN_INFO |
| 8823 | " QLogic iSCSI HBA Driver version: %s\n" |
| 8824 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", |
| 8825 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), |
Adheer Chandravanshi | eee06a0 | 2013-07-08 08:33:10 -0400 | [diff] [blame] | 8826 | ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, |
| 8827 | ha->fw_info.fw_patch, ha->fw_info.fw_build); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 8828 | |
Manish Dusane | cfb2787 | 2012-09-20 07:35:01 -0400 | [diff] [blame] | 8829 | /* Set the driver version */ |
| 8830 | if (is_qla80XX(ha)) |
| 8831 | qla4_8xxx_set_param(ha, SET_DRVR_VERSION); |
| 8832 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 8833 | if (qla4xxx_setup_boot_info(ha)) |
Vikas Chaudhary | 3573bfb | 2012-02-27 03:08:57 -0800 | [diff] [blame] | 8834 | ql4_printk(KERN_ERR, ha, |
| 8835 | "%s: No iSCSI boot target configured\n", __func__); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 8836 | |
Nilesh Javali | 906cbf3 | 2014-04-09 21:12:25 -0400 | [diff] [blame] | 8837 | set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); |
| 8838 | /* Perform the build ddb list and login to each */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8839 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); |
| 8840 | iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 8841 | qla4xxx_wait_login_resp_boot_tgt(ha); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8842 | |
| 8843 | qla4xxx_create_chap_list(ha); |
| 8844 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 8845 | qla4xxx_create_ifaces(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8846 | return 0; |
| 8847 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8848 | remove_host: |
| 8849 | scsi_remove_host(ha->host); |
| 8850 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8851 | probe_failed: |
| 8852 | qla4xxx_free_adapter(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8853 | |
| 8854 | probe_failed_ioconfig: |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8855 | pci_disable_pcie_error_reporting(pdev); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8856 | scsi_host_put(ha->host); |
| 8857 | |
| 8858 | probe_disable_device: |
| 8859 | pci_disable_device(pdev); |
| 8860 | |
| 8861 | return ret; |
| 8862 | } |
| 8863 | |
| 8864 | /** |
Karen Higgins | 7eece5a | 2011-03-21 03:34:29 -0700 | [diff] [blame] | 8865 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize |
| 8866 | * @ha: pointer to adapter structure |
| 8867 | * |
| 8868 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, |
| 8869 | * so that the other port will not re-initialize while in the process of |
| 8870 | * removing the ha due to driver unload or hba hotplug. |
| 8871 | **/ |
| 8872 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) |
| 8873 | { |
| 8874 | struct scsi_qla_host *other_ha = NULL; |
| 8875 | struct pci_dev *other_pdev = NULL; |
| 8876 | int fn = ISP4XXX_PCI_FN_2; |
| 8877 | |
| 8878 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ |
| 8879 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) |
| 8880 | fn = ISP4XXX_PCI_FN_1; |
| 8881 | |
| 8882 | other_pdev = |
| 8883 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), |
| 8884 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), |
| 8885 | fn)); |
| 8886 | |
| 8887 | /* Get other_ha if other_pdev is valid and state is enable*/ |
| 8888 | if (other_pdev) { |
| 8889 | if (atomic_read(&other_pdev->enable_cnt)) { |
| 8890 | other_ha = pci_get_drvdata(other_pdev); |
| 8891 | if (other_ha) { |
| 8892 | set_bit(AF_HA_REMOVAL, &other_ha->flags); |
| 8893 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " |
| 8894 | "Prevent %s reinit\n", __func__, |
| 8895 | dev_name(&other_ha->pdev->dev))); |
| 8896 | } |
| 8897 | } |
| 8898 | pci_dev_put(other_pdev); |
| 8899 | } |
| 8900 | } |
| 8901 | |
Vikas Chaudhary | 28d958b | 2014-01-17 04:43:28 -0500 | [diff] [blame] | 8902 | static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, |
| 8903 | struct ddb_entry *ddb_entry) |
| 8904 | { |
| 8905 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 8906 | dma_addr_t fw_ddb_entry_dma; |
| 8907 | unsigned long wtime; |
| 8908 | uint32_t ddb_state; |
| 8909 | int options; |
| 8910 | int status; |
| 8911 | |
| 8912 | options = LOGOUT_OPTION_CLOSE_SESSION; |
| 8913 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { |
| 8914 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); |
| 8915 | goto clear_ddb; |
| 8916 | } |
| 8917 | |
| 8918 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 8919 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 8920 | if (!fw_ddb_entry) { |
| 8921 | ql4_printk(KERN_ERR, ha, |
| 8922 | "%s: Unable to allocate dma buffer\n", __func__); |
| 8923 | goto clear_ddb; |
| 8924 | } |
| 8925 | |
| 8926 | wtime = jiffies + (HZ * LOGOUT_TOV); |
| 8927 | do { |
| 8928 | status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, |
| 8929 | fw_ddb_entry, fw_ddb_entry_dma, |
| 8930 | NULL, NULL, &ddb_state, NULL, |
| 8931 | NULL, NULL); |
| 8932 | if (status == QLA_ERROR) |
| 8933 | goto free_ddb; |
| 8934 | |
| 8935 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
| 8936 | (ddb_state == DDB_DS_SESSION_FAILED)) |
| 8937 | goto free_ddb; |
| 8938 | |
| 8939 | schedule_timeout_uninterruptible(HZ); |
| 8940 | } while ((time_after(wtime, jiffies))); |
| 8941 | |
| 8942 | free_ddb: |
| 8943 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 8944 | fw_ddb_entry, fw_ddb_entry_dma); |
| 8945 | clear_ddb: |
| 8946 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
| 8947 | } |
| 8948 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8949 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
| 8950 | { |
| 8951 | struct ddb_entry *ddb_entry; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8952 | int idx; |
| 8953 | |
| 8954 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
| 8955 | |
| 8956 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 8957 | if ((ddb_entry != NULL) && |
| 8958 | (ddb_entry->ddb_type == FLASH_DDB)) { |
| 8959 | |
Vikas Chaudhary | 28d958b | 2014-01-17 04:43:28 -0500 | [diff] [blame] | 8960 | qla4xxx_destroy_ddb(ha, ddb_entry); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8961 | /* |
| 8962 | * we have decremented the reference count of the driver |
| 8963 | * when we setup the session to have the driver unload |
| 8964 | * to be seamless without actually destroying the |
| 8965 | * session |
| 8966 | **/ |
| 8967 | try_module_get(qla4xxx_iscsi_transport.owner); |
| 8968 | iscsi_destroy_endpoint(ddb_entry->conn->ep); |
| 8969 | qla4xxx_free_ddb(ha, ddb_entry); |
| 8970 | iscsi_session_teardown(ddb_entry->sess); |
| 8971 | } |
| 8972 | } |
| 8973 | } |
Karen Higgins | 7eece5a | 2011-03-21 03:34:29 -0700 | [diff] [blame] | 8974 | /** |
Masanari Iida | 59e13d4 | 2012-04-25 00:24:16 +0900 | [diff] [blame] | 8975 | * qla4xxx_remove_adapter - callback function to remove adapter. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8976 | * @pci_dev: PCI device pointer |
| 8977 | **/ |
Greg Kroah-Hartman | 6f03979 | 2012-12-21 13:08:55 -0800 | [diff] [blame] | 8978 | static void qla4xxx_remove_adapter(struct pci_dev *pdev) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8979 | { |
| 8980 | struct scsi_qla_host *ha; |
| 8981 | |
Vikas Chaudhary | f8b0751 | 2012-09-20 07:35:08 -0400 | [diff] [blame] | 8982 | /* |
| 8983 | * If the PCI device is disabled then it means probe_adapter had |
| 8984 | * failed and resources already cleaned up on probe_adapter exit. |
| 8985 | */ |
| 8986 | if (!pci_is_enabled(pdev)) |
| 8987 | return; |
| 8988 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8989 | ha = pci_get_drvdata(pdev); |
| 8990 | |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 8991 | if (is_qla40XX(ha)) |
Karen Higgins | 7eece5a | 2011-03-21 03:34:29 -0700 | [diff] [blame] | 8992 | qla4xxx_prevent_other_port_reinit(ha); |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 8993 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 8994 | /* destroy iface from sysfs */ |
| 8995 | qla4xxx_destroy_ifaces(ha); |
| 8996 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8997 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 8998 | iscsi_boot_destroy_kset(ha->boot_kset); |
| 8999 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 9000 | qla4xxx_destroy_fw_ddb_session(ha); |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 9001 | qla4_8xxx_free_sysfs_attr(ha); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 9002 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 9003 | qla4xxx_sysfs_ddb_remove(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9004 | scsi_remove_host(ha->host); |
| 9005 | |
| 9006 | qla4xxx_free_adapter(ha); |
| 9007 | |
| 9008 | scsi_host_put(ha->host); |
| 9009 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9010 | pci_disable_pcie_error_reporting(pdev); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9011 | pci_disable_device(pdev); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9012 | } |
| 9013 | |
| 9014 | /** |
| 9015 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. |
| 9016 | * @ha: HA context |
| 9017 | * |
| 9018 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated |
| 9019 | * supported addressing method. |
| 9020 | */ |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 9021 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9022 | { |
| 9023 | int retval; |
| 9024 | |
| 9025 | /* Update our PCI device dma_mask for full 64 bit mask */ |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 9026 | if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { |
| 9027 | if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9028 | dev_dbg(&ha->pdev->dev, |
| 9029 | "Failed to set 64 bit PCI consistent mask; " |
| 9030 | "using 32 bit.\n"); |
| 9031 | retval = pci_set_consistent_dma_mask(ha->pdev, |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 9032 | DMA_BIT_MASK(32)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9033 | } |
| 9034 | } else |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 9035 | retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9036 | } |
| 9037 | |
| 9038 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) |
| 9039 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 9040 | struct iscsi_cls_session *cls_sess; |
| 9041 | struct iscsi_session *sess; |
| 9042 | struct ddb_entry *ddb; |
Vikas Chaudhary | 8bb4033 | 2011-03-21 03:34:31 -0700 | [diff] [blame] | 9043 | int queue_depth = QL4_DEF_QDEPTH; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9044 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 9045 | cls_sess = starget_to_session(sdev->sdev_target); |
| 9046 | sess = cls_sess->dd_data; |
| 9047 | ddb = sess->dd_data; |
| 9048 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9049 | sdev->hostdata = ddb; |
Vikas Chaudhary | 8bb4033 | 2011-03-21 03:34:31 -0700 | [diff] [blame] | 9050 | |
| 9051 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) |
| 9052 | queue_depth = ql4xmaxqdepth; |
| 9053 | |
Christoph Hellwig | db5ed4d | 2014-11-13 15:08:42 +0100 | [diff] [blame] | 9054 | scsi_change_queue_depth(sdev, queue_depth); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9055 | return 0; |
| 9056 | } |
| 9057 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9058 | /** |
| 9059 | * qla4xxx_del_from_active_array - returns an active srb |
| 9060 | * @ha: Pointer to host adapter structure. |
Anand Gadiyar | fd589a8 | 2009-07-16 17:13:03 +0200 | [diff] [blame] | 9061 | * @index: index into the active_array |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9062 | * |
| 9063 | * This routine removes and returns the srb at the specified index |
| 9064 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9065 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
| 9066 | uint32_t index) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9067 | { |
| 9068 | struct srb *srb = NULL; |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 9069 | struct scsi_cmnd *cmd = NULL; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9070 | |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 9071 | cmd = scsi_host_find_tag(ha->host, index); |
| 9072 | if (!cmd) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9073 | return srb; |
| 9074 | |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 9075 | srb = (struct srb *)CMD_SP(cmd); |
| 9076 | if (!srb) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9077 | return srb; |
| 9078 | |
| 9079 | /* update counters */ |
| 9080 | if (srb->flags & SRB_DMA_VALID) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9081 | ha->iocb_cnt -= srb->iocb_cnt; |
| 9082 | if (srb->cmd) |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 9083 | srb->cmd->host_scribble = |
| 9084 | (unsigned char *)(unsigned long) MAX_SRBS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9085 | } |
| 9086 | return srb; |
| 9087 | } |
| 9088 | |
| 9089 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9090 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9091 | * @ha: Pointer to host adapter structure. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9092 | * @cmd: Scsi Command to wait on. |
| 9093 | * |
| 9094 | * This routine waits for the command to be returned by the Firmware |
| 9095 | * for some max time. |
| 9096 | **/ |
| 9097 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, |
| 9098 | struct scsi_cmnd *cmd) |
| 9099 | { |
| 9100 | int done = 0; |
| 9101 | struct srb *rp; |
| 9102 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9103 | int ret = SUCCESS; |
| 9104 | |
| 9105 | /* Dont wait on command if PCI error is being handled |
| 9106 | * by PCI AER driver |
| 9107 | */ |
| 9108 | if (unlikely(pci_channel_offline(ha->pdev)) || |
| 9109 | (test_bit(AF_EEH_BUSY, &ha->flags))) { |
| 9110 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", |
| 9111 | ha->host_no, __func__); |
| 9112 | return ret; |
| 9113 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9114 | |
| 9115 | do { |
| 9116 | /* Checking to see if its returned to OS */ |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 9117 | rp = (struct srb *) CMD_SP(cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9118 | if (rp == NULL) { |
| 9119 | done++; |
| 9120 | break; |
| 9121 | } |
| 9122 | |
| 9123 | msleep(2000); |
| 9124 | } while (max_wait_time--); |
| 9125 | |
| 9126 | return done; |
| 9127 | } |
| 9128 | |
| 9129 | /** |
| 9130 | * qla4xxx_wait_for_hba_online - waits for HBA to come online |
| 9131 | * @ha: Pointer to host adapter structure |
| 9132 | **/ |
| 9133 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) |
| 9134 | { |
| 9135 | unsigned long wait_online; |
| 9136 | |
Vikas Chaudhary | f581a3f | 2010-10-06 22:47:48 -0700 | [diff] [blame] | 9137 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9138 | while (time_before(jiffies, wait_online)) { |
| 9139 | |
| 9140 | if (adapter_up(ha)) |
| 9141 | return QLA_SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9142 | |
| 9143 | msleep(2000); |
| 9144 | } |
| 9145 | |
| 9146 | return QLA_ERROR; |
| 9147 | } |
| 9148 | |
| 9149 | /** |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9150 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
Anand Gadiyar | fd589a8 | 2009-07-16 17:13:03 +0200 | [diff] [blame] | 9151 | * @ha: pointer to HBA |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9152 | * @t: target id |
| 9153 | * @l: lun id |
| 9154 | * |
| 9155 | * This function waits for all outstanding commands to a lun to complete. It |
| 9156 | * returns 0 if all pending commands are returned and 1 otherwise. |
| 9157 | **/ |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9158 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
| 9159 | struct scsi_target *stgt, |
| 9160 | struct scsi_device *sdev) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9161 | { |
| 9162 | int cnt; |
| 9163 | int status = 0; |
| 9164 | struct scsi_cmnd *cmd; |
| 9165 | |
| 9166 | /* |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9167 | * Waiting for all commands for the designated target or dev |
| 9168 | * in the active array |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9169 | */ |
| 9170 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { |
| 9171 | cmd = scsi_host_find_tag(ha->host, cnt); |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9172 | if (cmd && stgt == scsi_target(cmd->device) && |
| 9173 | (!sdev || sdev == cmd->device)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9174 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
| 9175 | status++; |
| 9176 | break; |
| 9177 | } |
| 9178 | } |
| 9179 | } |
| 9180 | return status; |
| 9181 | } |
| 9182 | |
| 9183 | /** |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9184 | * qla4xxx_eh_abort - callback for abort task. |
| 9185 | * @cmd: Pointer to Linux's SCSI command structure |
| 9186 | * |
| 9187 | * This routine is called by the Linux OS to abort the specified |
| 9188 | * command. |
| 9189 | **/ |
| 9190 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) |
| 9191 | { |
| 9192 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); |
| 9193 | unsigned int id = cmd->device->id; |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9194 | uint64_t lun = cmd->device->lun; |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 9195 | unsigned long flags; |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9196 | struct srb *srb = NULL; |
| 9197 | int ret = SUCCESS; |
| 9198 | int wait = 0; |
| 9199 | |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9200 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", |
Vikas Chaudhary | 63c9e81 | 2013-12-16 06:49:50 -0500 | [diff] [blame] | 9201 | ha->host_no, id, lun, cmd, cmd->cmnd[0]); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9202 | |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 9203 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9204 | srb = (struct srb *) CMD_SP(cmd); |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 9205 | if (!srb) { |
| 9206 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9207 | ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", |
Vikas Chaudhary | 63c9e81 | 2013-12-16 06:49:50 -0500 | [diff] [blame] | 9208 | ha->host_no, id, lun); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9209 | return SUCCESS; |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 9210 | } |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9211 | kref_get(&srb->srb_ref); |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 9212 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9213 | |
| 9214 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9215 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9216 | ha->host_no, id, lun)); |
| 9217 | ret = FAILED; |
| 9218 | } else { |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9219 | DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9220 | ha->host_no, id, lun)); |
| 9221 | wait = 1; |
| 9222 | } |
| 9223 | |
| 9224 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
| 9225 | |
| 9226 | /* Wait for command to complete */ |
| 9227 | if (wait) { |
| 9228 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9229 | DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9230 | ha->host_no, id, lun)); |
| 9231 | ret = FAILED; |
| 9232 | } |
| 9233 | } |
| 9234 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 9235 | ql4_printk(KERN_INFO, ha, |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9236 | "scsi%ld:%d:%llu: Abort command - %s\n", |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 9237 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 9238 | |
| 9239 | return ret; |
| 9240 | } |
| 9241 | |
| 9242 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9243 | * qla4xxx_eh_device_reset - callback for target reset. |
| 9244 | * @cmd: Pointer to Linux's SCSI command structure |
| 9245 | * |
| 9246 | * This routine is called by the Linux OS to reset all luns on the |
| 9247 | * specified target. |
| 9248 | **/ |
| 9249 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) |
| 9250 | { |
| 9251 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); |
| 9252 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9253 | int ret = FAILED, stat; |
| 9254 | |
Karen Higgins | 612f734 | 2009-07-15 15:03:01 -0500 | [diff] [blame] | 9255 | if (!ddb_entry) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9256 | return ret; |
| 9257 | |
Mike Christie | c01be6d | 2010-07-22 16:59:49 +0530 | [diff] [blame] | 9258 | ret = iscsi_block_scsi_eh(cmd); |
| 9259 | if (ret) |
| 9260 | return ret; |
| 9261 | ret = FAILED; |
| 9262 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 9263 | ql4_printk(KERN_INFO, ha, |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9264 | "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9265 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
| 9266 | |
| 9267 | DEBUG2(printk(KERN_INFO |
| 9268 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," |
| 9269 | "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, |
Jens Axboe | 242f9dc | 2008-09-14 05:55:09 -0700 | [diff] [blame] | 9270 | cmd, jiffies, cmd->request->timeout / HZ, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9271 | ha->dpc_flags, cmd->result, cmd->allowed)); |
| 9272 | |
| 9273 | /* FIXME: wait for hba to go online */ |
| 9274 | stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); |
| 9275 | if (stat != QLA_SUCCESS) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 9276 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9277 | goto eh_dev_reset_done; |
| 9278 | } |
| 9279 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9280 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
| 9281 | cmd->device)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 9282 | ql4_printk(KERN_INFO, ha, |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9283 | "DEVICE RESET FAILED - waiting for " |
| 9284 | "commands.\n"); |
| 9285 | goto eh_dev_reset_done; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9286 | } |
| 9287 | |
David C Somayajulu | 9d56291 | 2008-03-19 11:23:03 -0700 | [diff] [blame] | 9288 | /* Send marker. */ |
| 9289 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, |
| 9290 | MM_LUN_RESET) != QLA_SUCCESS) |
| 9291 | goto eh_dev_reset_done; |
| 9292 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 9293 | ql4_printk(KERN_INFO, ha, |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9294 | "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9295 | ha->host_no, cmd->device->channel, cmd->device->id, |
| 9296 | cmd->device->lun); |
| 9297 | |
| 9298 | ret = SUCCESS; |
| 9299 | |
| 9300 | eh_dev_reset_done: |
| 9301 | |
| 9302 | return ret; |
| 9303 | } |
| 9304 | |
| 9305 | /** |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9306 | * qla4xxx_eh_target_reset - callback for target reset. |
| 9307 | * @cmd: Pointer to Linux's SCSI command structure |
| 9308 | * |
| 9309 | * This routine is called by the Linux OS to reset the target. |
| 9310 | **/ |
| 9311 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) |
| 9312 | { |
| 9313 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); |
| 9314 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
Mike Christie | c01be6d | 2010-07-22 16:59:49 +0530 | [diff] [blame] | 9315 | int stat, ret; |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9316 | |
| 9317 | if (!ddb_entry) |
| 9318 | return FAILED; |
| 9319 | |
Mike Christie | c01be6d | 2010-07-22 16:59:49 +0530 | [diff] [blame] | 9320 | ret = iscsi_block_scsi_eh(cmd); |
| 9321 | if (ret) |
| 9322 | return ret; |
| 9323 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9324 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 9325 | "WARM TARGET RESET ISSUED.\n"); |
| 9326 | |
| 9327 | DEBUG2(printk(KERN_INFO |
| 9328 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " |
| 9329 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", |
Jens Axboe | 242f9dc | 2008-09-14 05:55:09 -0700 | [diff] [blame] | 9330 | ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9331 | ha->dpc_flags, cmd->result, cmd->allowed)); |
| 9332 | |
| 9333 | stat = qla4xxx_reset_target(ha, ddb_entry); |
| 9334 | if (stat != QLA_SUCCESS) { |
| 9335 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 9336 | "WARM TARGET RESET FAILED.\n"); |
| 9337 | return FAILED; |
| 9338 | } |
| 9339 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9340 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
| 9341 | NULL)) { |
| 9342 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 9343 | "WARM TARGET DEVICE RESET FAILED - " |
| 9344 | "waiting for commands.\n"); |
| 9345 | return FAILED; |
| 9346 | } |
| 9347 | |
David C Somayajulu | 9d56291 | 2008-03-19 11:23:03 -0700 | [diff] [blame] | 9348 | /* Send marker. */ |
| 9349 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, |
| 9350 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { |
| 9351 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 9352 | "WARM TARGET DEVICE RESET FAILED - " |
| 9353 | "marker iocb failed.\n"); |
| 9354 | return FAILED; |
| 9355 | } |
| 9356 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 9357 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 9358 | "WARM TARGET RESET SUCCEEDED.\n"); |
| 9359 | return SUCCESS; |
| 9360 | } |
| 9361 | |
| 9362 | /** |
Sarang Radke | 8a28896 | 2011-12-06 02:34:10 -0800 | [diff] [blame] | 9363 | * qla4xxx_is_eh_active - check if error handler is running |
| 9364 | * @shost: Pointer to SCSI Host struct |
| 9365 | * |
| 9366 | * This routine finds that if reset host is called in EH |
| 9367 | * scenario or from some application like sg_reset |
| 9368 | **/ |
| 9369 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) |
| 9370 | { |
| 9371 | if (shost->shost_state == SHOST_RECOVERY) |
| 9372 | return 1; |
| 9373 | return 0; |
| 9374 | } |
| 9375 | |
| 9376 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9377 | * qla4xxx_eh_host_reset - kernel callback |
| 9378 | * @cmd: Pointer to Linux's SCSI command structure |
| 9379 | * |
| 9380 | * This routine is invoked by the Linux kernel to perform fatal error |
| 9381 | * recovery on the specified adapter. |
| 9382 | **/ |
| 9383 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) |
| 9384 | { |
| 9385 | int return_status = FAILED; |
| 9386 | struct scsi_qla_host *ha; |
| 9387 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 9388 | ha = to_qla_host(cmd->device->host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9389 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 9390 | if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 9391 | qla4_83xx_set_idc_dontreset(ha); |
| 9392 | |
| 9393 | /* |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 9394 | * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other |
| 9395 | * protocol drivers, we should not set device_state to NEED_RESET |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 9396 | */ |
| 9397 | if (ql4xdontresethba || |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 9398 | ((is_qla8032(ha) || is_qla8042(ha)) && |
| 9399 | qla4_83xx_idc_dontreset(ha))) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9400 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
| 9401 | ha->host_no, __func__)); |
Sarang Radke | 8a28896 | 2011-12-06 02:34:10 -0800 | [diff] [blame] | 9402 | |
| 9403 | /* Clear outstanding srb in queues */ |
| 9404 | if (qla4xxx_is_eh_active(cmd->device->host)) |
| 9405 | qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); |
| 9406 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9407 | return FAILED; |
| 9408 | } |
| 9409 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 9410 | ql4_printk(KERN_INFO, ha, |
Hannes Reinecke | 9cb78c1 | 2014-06-25 15:27:36 +0200 | [diff] [blame] | 9411 | "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9412 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
| 9413 | |
| 9414 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { |
| 9415 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " |
| 9416 | "DEAD.\n", ha->host_no, cmd->device->channel, |
| 9417 | __func__)); |
| 9418 | |
| 9419 | return FAILED; |
| 9420 | } |
| 9421 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9422 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 9423 | if (is_qla80XX(ha)) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9424 | set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
| 9425 | else |
| 9426 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 9427 | } |
Mike Christie | 50a29ae | 2008-03-04 13:26:53 -0600 | [diff] [blame] | 9428 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9429 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9430 | return_status = SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9431 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 9432 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 9433 | return_status == FAILED ? "FAILED" : "SUCCEEDED"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9434 | |
| 9435 | return return_status; |
| 9436 | } |
| 9437 | |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 9438 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
| 9439 | { |
| 9440 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 9441 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 9442 | struct addr_ctrl_blk_def *acb = NULL; |
| 9443 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); |
| 9444 | int rval = QLA_SUCCESS; |
| 9445 | dma_addr_t acb_dma; |
| 9446 | |
| 9447 | acb = dma_alloc_coherent(&ha->pdev->dev, |
| 9448 | sizeof(struct addr_ctrl_blk_def), |
| 9449 | &acb_dma, GFP_KERNEL); |
| 9450 | if (!acb) { |
| 9451 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", |
| 9452 | __func__); |
| 9453 | rval = -ENOMEM; |
| 9454 | goto exit_port_reset; |
| 9455 | } |
| 9456 | |
| 9457 | memset(acb, 0, acb_len); |
| 9458 | |
| 9459 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); |
| 9460 | if (rval != QLA_SUCCESS) { |
| 9461 | rval = -EIO; |
| 9462 | goto exit_free_acb; |
| 9463 | } |
| 9464 | |
| 9465 | rval = qla4xxx_disable_acb(ha); |
| 9466 | if (rval != QLA_SUCCESS) { |
| 9467 | rval = -EIO; |
| 9468 | goto exit_free_acb; |
| 9469 | } |
| 9470 | |
| 9471 | wait_for_completion_timeout(&ha->disable_acb_comp, |
| 9472 | DISABLE_ACB_TOV * HZ); |
| 9473 | |
| 9474 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); |
| 9475 | if (rval != QLA_SUCCESS) { |
| 9476 | rval = -EIO; |
| 9477 | goto exit_free_acb; |
| 9478 | } |
| 9479 | |
| 9480 | exit_free_acb: |
| 9481 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), |
| 9482 | acb, acb_dma); |
| 9483 | exit_port_reset: |
| 9484 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, |
| 9485 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); |
| 9486 | return rval; |
| 9487 | } |
| 9488 | |
| 9489 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) |
| 9490 | { |
| 9491 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 9492 | int rval = QLA_SUCCESS; |
Vikas Chaudhary | ebd777d | 2013-03-07 05:43:09 -0500 | [diff] [blame] | 9493 | uint32_t idc_ctrl; |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 9494 | |
| 9495 | if (ql4xdontresethba) { |
| 9496 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", |
| 9497 | __func__)); |
| 9498 | rval = -EPERM; |
| 9499 | goto exit_host_reset; |
| 9500 | } |
| 9501 | |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 9502 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
| 9503 | goto recover_adapter; |
| 9504 | |
| 9505 | switch (reset_type) { |
| 9506 | case SCSI_ADAPTER_RESET: |
| 9507 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 9508 | break; |
| 9509 | case SCSI_FIRMWARE_RESET: |
| 9510 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 9511 | if (is_qla80XX(ha)) |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 9512 | /* set firmware context reset */ |
| 9513 | set_bit(DPC_RESET_HA_FW_CONTEXT, |
| 9514 | &ha->dpc_flags); |
| 9515 | else { |
| 9516 | rval = qla4xxx_context_reset(ha); |
| 9517 | goto exit_host_reset; |
| 9518 | } |
| 9519 | } |
| 9520 | break; |
| 9521 | } |
| 9522 | |
| 9523 | recover_adapter: |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 9524 | /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if |
Vikas Chaudhary | ebd777d | 2013-03-07 05:43:09 -0500 | [diff] [blame] | 9525 | * reset is issued by application */ |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 9526 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
| 9527 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | ebd777d | 2013-03-07 05:43:09 -0500 | [diff] [blame] | 9528 | idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); |
| 9529 | qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, |
| 9530 | (idc_ctrl | GRACEFUL_RESET_BIT1)); |
| 9531 | } |
| 9532 | |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 9533 | rval = qla4xxx_recover_adapter(ha); |
| 9534 | if (rval != QLA_SUCCESS) { |
| 9535 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", |
| 9536 | __func__)); |
| 9537 | rval = -EIO; |
| 9538 | } |
| 9539 | |
| 9540 | exit_host_reset: |
| 9541 | return rval; |
| 9542 | } |
| 9543 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9544 | /* PCI AER driver recovers from all correctable errors w/o |
| 9545 | * driver intervention. For uncorrectable errors PCI AER |
| 9546 | * driver calls the following device driver's callbacks |
| 9547 | * |
| 9548 | * - Fatal Errors - link_reset |
| 9549 | * - Non-Fatal Errors - driver's pci_error_detected() which |
| 9550 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. |
| 9551 | * |
| 9552 | * PCI AER driver calls |
| 9553 | * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled |
| 9554 | * returns RECOVERED or NEED_RESET if fw_hung |
| 9555 | * NEED_RESET - driver's slot_reset() |
| 9556 | * DISCONNECT - device is dead & cannot recover |
| 9557 | * RECOVERED - driver's pci_resume() |
| 9558 | */ |
| 9559 | static pci_ers_result_t |
| 9560 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
| 9561 | { |
| 9562 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 9563 | |
| 9564 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", |
| 9565 | ha->host_no, __func__, state); |
| 9566 | |
| 9567 | if (!is_aer_supported(ha)) |
| 9568 | return PCI_ERS_RESULT_NONE; |
| 9569 | |
| 9570 | switch (state) { |
| 9571 | case pci_channel_io_normal: |
| 9572 | clear_bit(AF_EEH_BUSY, &ha->flags); |
| 9573 | return PCI_ERS_RESULT_CAN_RECOVER; |
| 9574 | case pci_channel_io_frozen: |
| 9575 | set_bit(AF_EEH_BUSY, &ha->flags); |
| 9576 | qla4xxx_mailbox_premature_completion(ha); |
| 9577 | qla4xxx_free_irqs(ha); |
| 9578 | pci_disable_device(pdev); |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 9579 | /* Return back all IOs */ |
| 9580 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9581 | return PCI_ERS_RESULT_NEED_RESET; |
| 9582 | case pci_channel_io_perm_failure: |
| 9583 | set_bit(AF_EEH_BUSY, &ha->flags); |
| 9584 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); |
| 9585 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
| 9586 | return PCI_ERS_RESULT_DISCONNECT; |
| 9587 | } |
| 9588 | return PCI_ERS_RESULT_NEED_RESET; |
| 9589 | } |
| 9590 | |
| 9591 | /** |
| 9592 | * qla4xxx_pci_mmio_enabled() gets called if |
| 9593 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER |
| 9594 | * and read/write to the device still works. |
| 9595 | **/ |
| 9596 | static pci_ers_result_t |
| 9597 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) |
| 9598 | { |
| 9599 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 9600 | |
| 9601 | if (!is_aer_supported(ha)) |
| 9602 | return PCI_ERS_RESULT_NONE; |
| 9603 | |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 9604 | return PCI_ERS_RESULT_RECOVERED; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9605 | } |
| 9606 | |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 9607 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9608 | { |
| 9609 | uint32_t rval = QLA_ERROR; |
| 9610 | int fn; |
| 9611 | struct pci_dev *other_pdev = NULL; |
| 9612 | |
| 9613 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); |
| 9614 | |
| 9615 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
| 9616 | |
| 9617 | if (test_bit(AF_ONLINE, &ha->flags)) { |
| 9618 | clear_bit(AF_ONLINE, &ha->flags); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 9619 | clear_bit(AF_LINK_UP, &ha->flags); |
| 9620 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9621 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9622 | } |
| 9623 | |
| 9624 | fn = PCI_FUNC(ha->pdev->devfn); |
Tej Parkash | daa34eb | 2013-12-16 06:49:38 -0500 | [diff] [blame] | 9625 | if (is_qla8022(ha)) { |
| 9626 | while (fn > 0) { |
| 9627 | fn--; |
| 9628 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", |
| 9629 | ha->host_no, __func__, fn); |
| 9630 | /* Get the pci device given the domain, bus, |
| 9631 | * slot/function number */ |
| 9632 | other_pdev = pci_get_domain_bus_and_slot( |
| 9633 | pci_domain_nr(ha->pdev->bus), |
| 9634 | ha->pdev->bus->number, |
| 9635 | PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), |
| 9636 | fn)); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9637 | |
Tej Parkash | daa34eb | 2013-12-16 06:49:38 -0500 | [diff] [blame] | 9638 | if (!other_pdev) |
| 9639 | continue; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9640 | |
Tej Parkash | daa34eb | 2013-12-16 06:49:38 -0500 | [diff] [blame] | 9641 | if (atomic_read(&other_pdev->enable_cnt)) { |
| 9642 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", |
| 9643 | ha->host_no, __func__, fn); |
| 9644 | pci_dev_put(other_pdev); |
| 9645 | break; |
| 9646 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9647 | pci_dev_put(other_pdev); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9648 | } |
Tej Parkash | daa34eb | 2013-12-16 06:49:38 -0500 | [diff] [blame] | 9649 | } else { |
| 9650 | /* this case is meant for ISP83xx/ISP84xx only */ |
| 9651 | if (qla4_83xx_can_perform_reset(ha)) { |
| 9652 | /* reset fn as iSCSI is going to perform the reset */ |
| 9653 | fn = 0; |
| 9654 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9655 | } |
| 9656 | |
| 9657 | /* The first function on the card, the reset owner will |
| 9658 | * start & initialize the firmware. The other functions |
| 9659 | * on the card will reset the firmware context |
| 9660 | */ |
| 9661 | if (!fn) { |
| 9662 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " |
| 9663 | "0x%x is the owner\n", ha->host_no, __func__, |
| 9664 | ha->pdev->devfn); |
| 9665 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9666 | ha->isp_ops->idc_lock(ha); |
| 9667 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 9668 | QLA8XXX_DEV_COLD); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9669 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9670 | |
Vikas Chaudhary | 39c9582 | 2012-09-20 07:35:05 -0400 | [diff] [blame] | 9671 | rval = qla4_8xxx_update_idc_reg(ha); |
| 9672 | if (rval == QLA_ERROR) { |
| 9673 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", |
| 9674 | ha->host_no, __func__); |
| 9675 | ha->isp_ops->idc_lock(ha); |
| 9676 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 9677 | QLA8XXX_DEV_FAILED); |
| 9678 | ha->isp_ops->idc_unlock(ha); |
| 9679 | goto exit_error_recovery; |
| 9680 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9681 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9682 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 9683 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9684 | |
| 9685 | if (rval != QLA_SUCCESS) { |
| 9686 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " |
| 9687 | "FAILED\n", ha->host_no, __func__); |
Nilesh Javali | 37418cc | 2013-12-16 06:49:31 -0500 | [diff] [blame] | 9688 | qla4xxx_free_irqs(ha); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 9689 | ha->isp_ops->idc_lock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9690 | qla4_8xxx_clear_drv_active(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9691 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 9692 | QLA8XXX_DEV_FAILED); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 9693 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9694 | } else { |
| 9695 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " |
| 9696 | "READY\n", ha->host_no, __func__); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 9697 | ha->isp_ops->idc_lock(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9698 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 9699 | QLA8XXX_DEV_READY); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9700 | /* Clear driver state register */ |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9701 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9702 | qla4_8xxx_set_drv_active(ha); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 9703 | ha->isp_ops->idc_unlock(ha); |
Poornima Vonti | 137257d | 2013-01-20 23:51:01 -0500 | [diff] [blame] | 9704 | ha->isp_ops->enable_intrs(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9705 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9706 | } else { |
| 9707 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " |
| 9708 | "the reset owner\n", ha->host_no, __func__, |
| 9709 | ha->pdev->devfn); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9710 | if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == |
| 9711 | QLA8XXX_DEV_READY)) { |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9712 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 9713 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
Poornima Vonti | 137257d | 2013-01-20 23:51:01 -0500 | [diff] [blame] | 9714 | if (rval == QLA_SUCCESS) |
| 9715 | ha->isp_ops->enable_intrs(ha); |
Nilesh Javali | 37418cc | 2013-12-16 06:49:31 -0500 | [diff] [blame] | 9716 | else |
| 9717 | qla4xxx_free_irqs(ha); |
Poornima Vonti | 137257d | 2013-01-20 23:51:01 -0500 | [diff] [blame] | 9718 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9719 | ha->isp_ops->idc_lock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9720 | qla4_8xxx_set_drv_active(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 9721 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9722 | } |
| 9723 | } |
Vikas Chaudhary | 39c9582 | 2012-09-20 07:35:05 -0400 | [diff] [blame] | 9724 | exit_error_recovery: |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9725 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
| 9726 | return rval; |
| 9727 | } |
| 9728 | |
| 9729 | static pci_ers_result_t |
| 9730 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) |
| 9731 | { |
| 9732 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; |
| 9733 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 9734 | int rc; |
| 9735 | |
| 9736 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", |
| 9737 | ha->host_no, __func__); |
| 9738 | |
| 9739 | if (!is_aer_supported(ha)) |
| 9740 | return PCI_ERS_RESULT_NONE; |
| 9741 | |
| 9742 | /* Restore the saved state of PCIe device - |
| 9743 | * BAR registers, PCI Config space, PCIX, MSI, |
| 9744 | * IOV states |
| 9745 | */ |
| 9746 | pci_restore_state(pdev); |
| 9747 | |
| 9748 | /* pci_restore_state() clears the saved_state flag of the device |
| 9749 | * save restored state which resets saved_state flag |
| 9750 | */ |
| 9751 | pci_save_state(pdev); |
| 9752 | |
| 9753 | /* Initialize device or resume if in suspended state */ |
| 9754 | rc = pci_enable_device(pdev); |
| 9755 | if (rc) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 9756 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9757 | "device after reset\n", ha->host_no, __func__); |
| 9758 | goto exit_slot_reset; |
| 9759 | } |
| 9760 | |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 9761 | ha->isp_ops->disable_intrs(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9762 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 9763 | if (is_qla80XX(ha)) { |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9764 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { |
| 9765 | ret = PCI_ERS_RESULT_RECOVERED; |
| 9766 | goto exit_slot_reset; |
| 9767 | } else |
| 9768 | goto exit_slot_reset; |
| 9769 | } |
| 9770 | |
| 9771 | exit_slot_reset: |
| 9772 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" |
| 9773 | "device after reset\n", ha->host_no, __func__, ret); |
| 9774 | return ret; |
| 9775 | } |
| 9776 | |
| 9777 | static void |
| 9778 | qla4xxx_pci_resume(struct pci_dev *pdev) |
| 9779 | { |
| 9780 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 9781 | int ret; |
| 9782 | |
| 9783 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", |
| 9784 | ha->host_no, __func__); |
| 9785 | |
| 9786 | ret = qla4xxx_wait_for_hba_online(ha); |
| 9787 | if (ret != QLA_SUCCESS) { |
| 9788 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " |
| 9789 | "resume I/O from slot/link_reset\n", ha->host_no, |
| 9790 | __func__); |
| 9791 | } |
| 9792 | |
| 9793 | pci_cleanup_aer_uncorrect_error_status(pdev); |
| 9794 | clear_bit(AF_EEH_BUSY, &ha->flags); |
| 9795 | } |
| 9796 | |
Stephen Hemminger | a55b2d2 | 2012-09-07 09:33:16 -0700 | [diff] [blame] | 9797 | static const struct pci_error_handlers qla4xxx_err_handler = { |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9798 | .error_detected = qla4xxx_pci_error_detected, |
| 9799 | .mmio_enabled = qla4xxx_pci_mmio_enabled, |
| 9800 | .slot_reset = qla4xxx_pci_slot_reset, |
| 9801 | .resume = qla4xxx_pci_resume, |
| 9802 | }; |
| 9803 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9804 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
| 9805 | { |
| 9806 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 9807 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, |
| 9808 | .subvendor = PCI_ANY_ID, |
| 9809 | .subdevice = PCI_ANY_ID, |
| 9810 | }, |
| 9811 | { |
| 9812 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 9813 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, |
| 9814 | .subvendor = PCI_ANY_ID, |
| 9815 | .subdevice = PCI_ANY_ID, |
| 9816 | }, |
David C Somayajulu | d915058 | 2006-11-15 17:38:40 -0800 | [diff] [blame] | 9817 | { |
| 9818 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 9819 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, |
| 9820 | .subvendor = PCI_ANY_ID, |
| 9821 | .subdevice = PCI_ANY_ID, |
| 9822 | }, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 9823 | { |
| 9824 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 9825 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, |
| 9826 | .subvendor = PCI_ANY_ID, |
| 9827 | .subdevice = PCI_ANY_ID, |
| 9828 | }, |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 9829 | { |
| 9830 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 9831 | .device = PCI_DEVICE_ID_QLOGIC_ISP8324, |
| 9832 | .subvendor = PCI_ANY_ID, |
| 9833 | .subdevice = PCI_ANY_ID, |
| 9834 | }, |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 9835 | { |
| 9836 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 9837 | .device = PCI_DEVICE_ID_QLOGIC_ISP8042, |
| 9838 | .subvendor = PCI_ANY_ID, |
| 9839 | .subdevice = PCI_ANY_ID, |
| 9840 | }, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9841 | {0, 0}, |
| 9842 | }; |
| 9843 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); |
| 9844 | |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 9845 | static struct pci_driver qla4xxx_pci_driver = { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9846 | .name = DRIVER_NAME, |
| 9847 | .id_table = qla4xxx_pci_tbl, |
| 9848 | .probe = qla4xxx_probe_adapter, |
| 9849 | .remove = qla4xxx_remove_adapter, |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 9850 | .err_handler = &qla4xxx_err_handler, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9851 | }; |
| 9852 | |
| 9853 | static int __init qla4xxx_module_init(void) |
| 9854 | { |
| 9855 | int ret; |
| 9856 | |
Christoph Hellwig | c40ecc1 | 2014-11-13 14:25:11 +0100 | [diff] [blame] | 9857 | if (ql4xqfulltracking) |
| 9858 | qla4xxx_driver_template.track_queue_depth = 1; |
| 9859 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9860 | /* Allocate cache for SRBs. */ |
| 9861 | srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 9862 | SLAB_HWCACHE_ALIGN, NULL); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9863 | if (srb_cachep == NULL) { |
| 9864 | printk(KERN_ERR |
| 9865 | "%s: Unable to allocate SRB cache..." |
| 9866 | "Failing load!\n", DRIVER_NAME); |
| 9867 | ret = -ENOMEM; |
| 9868 | goto no_srp_cache; |
| 9869 | } |
| 9870 | |
| 9871 | /* Derive version string. */ |
| 9872 | strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 9873 | if (ql4xextended_error_logging) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9874 | strcat(qla4xxx_version_str, "-debug"); |
| 9875 | |
| 9876 | qla4xxx_scsi_transport = |
| 9877 | iscsi_register_transport(&qla4xxx_iscsi_transport); |
| 9878 | if (!qla4xxx_scsi_transport){ |
| 9879 | ret = -ENODEV; |
| 9880 | goto release_srb_cache; |
| 9881 | } |
| 9882 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9883 | ret = pci_register_driver(&qla4xxx_pci_driver); |
| 9884 | if (ret) |
| 9885 | goto unregister_transport; |
| 9886 | |
| 9887 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); |
| 9888 | return 0; |
Doug Maxey | 5ae16db | 2006-10-05 23:50:07 -0500 | [diff] [blame] | 9889 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9890 | unregister_transport: |
| 9891 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); |
| 9892 | release_srb_cache: |
| 9893 | kmem_cache_destroy(srb_cachep); |
| 9894 | no_srp_cache: |
| 9895 | return ret; |
| 9896 | } |
| 9897 | |
| 9898 | static void __exit qla4xxx_module_exit(void) |
| 9899 | { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 9900 | pci_unregister_driver(&qla4xxx_pci_driver); |
| 9901 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); |
| 9902 | kmem_cache_destroy(srb_cachep); |
| 9903 | } |
| 9904 | |
| 9905 | module_init(qla4xxx_module_init); |
| 9906 | module_exit(qla4xxx_module_exit); |
| 9907 | |
| 9908 | MODULE_AUTHOR("QLogic Corporation"); |
| 9909 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); |
| 9910 | MODULE_LICENSE("GPL"); |
| 9911 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |